7817760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 27420120

約数和(自身を除く): 19602360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 89, 90, 96, 120, 122, 144, 160, 178, 180, 183, 240, 244, 267, 288, 305, 356, 360, 366, 445, 480, 488, 534, 549, 610, 712, 720, 732, 801, 890, 915, 976, 1068, 1098, 1220, 1335, 1424, 1440, 1464, 1602, 1780, 1830, 1952, 2136, 2196, 2440, 2670, 2745, 2848, 2928, 3204, 3560, 3660, 4005, 4272, 4392, 4880, 5340, 5429, 5490, 5856, 6408, 7120, 7320, 8010, 8544, 8784, 9760, 10680, 10858, 10980, 12816, 14240, 14640, 16020, 16287, 17568, 21360, 21716, 21960, 25632, 27145, 29280, 32040, 32574, 42720, 43432, 43920, 48861, 54290, 64080, 65148, 81435, 86864, 87840, 97722, 108580, 128160, 130296, 162870, 173728, 195444, 217160, 244305, 260592, 325740, 390888, 434320, 488610, 521184, 651480, 781776, 868640, 977220, 1302960, 1563552, 1954440, 2605920, 3908880, 7817760]

約数ペア:

[(1, 7817760), (2, 3908880), (3, 2605920), (4, 1954440), (5, 1563552), (6, 1302960), (8, 977220), (9, 868640), (10, 781776), (12, 651480), (15, 521184), (16, 488610), (18, 434320), (20, 390888), (24, 325740), (30, 260592), (32, 244305), (36, 217160), (40, 195444), (45, 173728), (48, 162870), (60, 130296), (61, 128160), (72, 108580), (80, 97722), (89, 87840), (90, 86864), (96, 81435), (120, 65148), (122, 64080), (144, 54290), (160, 48861), (178, 43920), (180, 43432), (183, 42720), (240, 32574), (244, 32040), (267, 29280), (288, 27145), (305, 25632), (356, 21960), (360, 21716), (366, 21360), (445, 17568), (480, 16287), (488, 16020), (534, 14640), (549, 14240), (610, 12816), (712, 10980), (720, 10858), (732, 10680), (801, 9760), (890, 8784), (915, 8544), (976, 8010), (1068, 7320), (1098, 7120), (1220, 6408), (1335, 5856), (1424, 5490), (1440, 5429), (1464, 5340), (1602, 4880), (1780, 4392), (1830, 4272), (1952, 4005), (2136, 3660), (2196, 3560), (2440, 3204), (2670, 2928), (2745, 2848)]