989847180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:453

約数の個数: 288

約数和(自身を含む): 3648153600

約数和(自身を除く): 2658306420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 173, 180, 190, 210, 228, 239, 252, 266, 285, 315, 342, 346, 380, 399, 420, 478, 519, 532, 570, 630, 665, 684, 692, 717, 798, 855, 865, 956, 1038, 1140, 1195, 1197, 1211, 1260, 1330, 1434, 1557, 1596, 1673, 1710, 1730, 1995, 2076, 2151, 2390, 2394, 2422, 2595, 2660, 2868, 3114, 3287, 3346, 3420, 3460, 3585, 3633, 3990, 4302, 4541, 4780, 4788, 4844, 5019, 5190, 5985, 6055, 6228, 6574, 6692, 7170, 7266, 7785, 7980, 8365, 8604, 9082, 9861, 10038, 10380, 10755, 10899, 11970, 12110, 13148, 13623, 14340, 14532, 15057, 15570, 16435, 16730, 18164, 18165, 19722, 20076, 21510, 21798, 22705, 23009, 23940, 24220, 25095, 27246, 29583, 30114, 31140, 31787, 32870, 33460, 36330, 39444, 40869, 41347, 43020, 43596, 45410, 46018, 49305, 50190, 54492, 54495, 59166, 60228, 63574, 65740, 68115, 69027, 72660, 75285, 81738, 82694, 90820, 92036, 95361, 98610, 100380, 108990, 115045, 118332, 124041, 127148, 136230, 138054, 147915, 150570, 158935, 163476, 165388, 190722, 197220, 204345, 206735, 207081, 217980, 230090, 248082, 272460, 276108, 286083, 289429, 295830, 301140, 317870, 345135, 372123, 381444, 408690, 413470, 414162, 460180, 476805, 496164, 572166, 578858, 591660, 620205, 635740, 690270, 744246, 785593, 817380, 826940, 828324, 868287, 953610, 1035405, 1144332, 1157716, 1240410, 1380540, 1430415, 1447145, 1488492, 1571186, 1736574, 1860615, 1907220, 2070810, 2356779, 2480820, 2604861, 2860830, 2894290, 3142372, 3473148, 3721230, 3927965, 4141620, 4341435, 4713558, 5209722, 5499151, 5721660, 5788580, 7070337, 7442460, 7855930, 8682870, 9427116, 10419444, 10998302, 11783895, 13024305, 14140674, 15711860, 16497453, 17365740, 21996604, 23567790, 26048610, 27495755, 28281348, 32994906, 35351685, 47135580, 49492359, 52097220, 54991510, 65989812, 70703370, 82487265, 98984718, 109983020, 141406740, 164974530, 197969436, 247461795, 329949060, 494923590, 989847180]

約数ペア:

[(1, 989847180), (2, 494923590), (3, 329949060), (4, 247461795), (5, 197969436), (6, 164974530), (7, 141406740), (9, 109983020), (10, 98984718), (12, 82487265), (14, 70703370), (15, 65989812), (18, 54991510), (19, 52097220), (20, 49492359), (21, 47135580), (28, 35351685), (30, 32994906), (35, 28281348), (36, 27495755), (38, 26048610), (42, 23567790), (45, 21996604), (57, 17365740), (60, 16497453), (63, 15711860), (70, 14140674), (76, 13024305), (84, 11783895), (90, 10998302), (95, 10419444), (105, 9427116), (114, 8682870), (126, 7855930), (133, 7442460), (140, 7070337), (171, 5788580), (173, 5721660), (180, 5499151), (190, 5209722), (210, 4713558), (228, 4341435), (239, 4141620), (252, 3927965), (266, 3721230), (285, 3473148), (315, 3142372), (342, 2894290), (346, 2860830), (380, 2604861), (399, 2480820), (420, 2356779), (478, 2070810), (519, 1907220), (532, 1860615), (570, 1736574), (630, 1571186), (665, 1488492), (684, 1447145), (692, 1430415), (717, 1380540), (798, 1240410), (855, 1157716), (865, 1144332), (956, 1035405), (1038, 953610), (1140, 868287), (1195, 828324), (1197, 826940), (1211, 817380), (1260, 785593), (1330, 744246), (1434, 690270), (1557, 635740), (1596, 620205), (1673, 591660), (1710, 578858), (1730, 572166), (1995, 496164), (2076, 476805), (2151, 460180), (2390, 414162), (2394, 413470), (2422, 408690), (2595, 381444), (2660, 372123), (2868, 345135), (3114, 317870), (3287, 301140), (3346, 295830), (3420, 289429), (3460, 286083), (3585, 276108), (3633, 272460), (3990, 248082), (4302, 230090), (4541, 217980), (4780, 207081), (4788, 206735), (4844, 204345), (5019, 197220), (5190, 190722), (5985, 165388), (6055, 163476), (6228, 158935), (6574, 150570), (6692, 147915), (7170, 138054), (7266, 136230), (7785, 127148), (7980, 124041), (8365, 118332), (8604, 115045), (9082, 108990), (9861, 100380), (10038, 98610), (10380, 95361), (10755, 92036), (10899, 90820), (11970, 82694), (12110, 81738), (13148, 75285), (13623, 72660), (14340, 69027), (14532, 68115), (15057, 65740), (15570, 63574), (16435, 60228), (16730, 59166), (18164, 54495), (18165, 54492), (19722, 50190), (20076, 49305), (21510, 46018), (21798, 45410), (22705, 43596), (23009, 43020), (23940, 41347), (24220, 40869), (25095, 39444), (27246, 36330), (29583, 33460), (30114, 32870), (31140, 31787)]