404435520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 252

約数和(自身を含む): 1471932540

約数和(自身を除く): 1067497020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 361, 380, 389, 456, 480, 570, 576, 608, 684, 720, 722, 760, 778, 855, 912, 960, 1083, 1140, 1167, 1216, 1368, 1440, 1444, 1520, 1556, 1710, 1805, 1824, 1945, 2166, 2280, 2334, 2736, 2880, 2888, 3040, 3112, 3249, 3420, 3501, 3610, 3648, 3890, 4332, 4560, 4668, 5415, 5472, 5776, 5835, 6080, 6224, 6498, 6840, 7002, 7220, 7391, 7780, 8664, 9120, 9336, 10830, 10944, 11552, 11670, 12448, 12996, 13680, 14004, 14440, 14782, 15560, 16245, 17328, 17505, 18240, 18672, 21660, 22173, 23104, 23340, 24896, 25992, 27360, 28008, 28880, 29564, 31120, 32490, 34656, 35010, 36955, 37344, 43320, 44346, 46680, 51984, 54720, 56016, 57760, 59128, 62240, 64980, 66519, 69312, 70020, 73910, 74688, 86640, 88692, 93360, 103968, 110865, 112032, 115520, 118256, 124480, 129960, 133038, 140040, 140429, 147820, 173280, 177384, 186720, 207936, 221730, 224064, 236512, 259920, 266076, 280080, 280858, 295640, 332595, 346560, 354768, 373440, 421287, 443460, 473024, 519840, 532152, 560160, 561716, 591280, 665190, 702145, 709536, 842574, 886920, 1039680, 1064304, 1120320, 1123432, 1182560, 1263861, 1330380, 1404290, 1419072, 1685148, 1773840, 2106435, 2128608, 2246864, 2365120, 2527722, 2660760, 2808580, 3370296, 3547680, 4212870, 4257216, 4493728, 5055444, 5321520, 5617160, 6319305, 6740592, 7095360, 8425740, 8987456, 10110888, 10643040, 11234320, 12638610, 13481184, 16851480, 20221776, 21286080, 22468640, 25277220, 26962368, 33702960, 40443552, 44937280, 50554440, 67405920, 80887104, 101108880, 134811840, 202217760, 404435520]

約数ペア:

[(1, 404435520), (2, 202217760), (3, 134811840), (4, 101108880), (5, 80887104), (6, 67405920), (8, 50554440), (9, 44937280), (10, 40443552), (12, 33702960), (15, 26962368), (16, 25277220), (18, 22468640), (19, 21286080), (20, 20221776), (24, 16851480), (30, 13481184), (32, 12638610), (36, 11234320), (38, 10643040), (40, 10110888), (45, 8987456), (48, 8425740), (57, 7095360), (60, 6740592), (64, 6319305), (72, 5617160), (76, 5321520), (80, 5055444), (90, 4493728), (95, 4257216), (96, 4212870), (114, 3547680), (120, 3370296), (144, 2808580), (152, 2660760), (160, 2527722), (171, 2365120), (180, 2246864), (190, 2128608), (192, 2106435), (228, 1773840), (240, 1685148), (285, 1419072), (288, 1404290), (304, 1330380), (320, 1263861), (342, 1182560), (360, 1123432), (361, 1120320), (380, 1064304), (389, 1039680), (456, 886920), (480, 842574), (570, 709536), (576, 702145), (608, 665190), (684, 591280), (720, 561716), (722, 560160), (760, 532152), (778, 519840), (855, 473024), (912, 443460), (960, 421287), (1083, 373440), (1140, 354768), (1167, 346560), (1216, 332595), (1368, 295640), (1440, 280858), (1444, 280080), (1520, 266076), (1556, 259920), (1710, 236512), (1805, 224064), (1824, 221730), (1945, 207936), (2166, 186720), (2280, 177384), (2334, 173280), (2736, 147820), (2880, 140429), (2888, 140040), (3040, 133038), (3112, 129960), (3249, 124480), (3420, 118256), (3501, 115520), (3610, 112032), (3648, 110865), (3890, 103968), (4332, 93360), (4560, 88692), (4668, 86640), (5415, 74688), (5472, 73910), (5776, 70020), (5835, 69312), (6080, 66519), (6224, 64980), (6498, 62240), (6840, 59128), (7002, 57760), (7220, 56016), (7391, 54720), (7780, 51984), (8664, 46680), (9120, 44346), (9336, 43320), (10830, 37344), (10944, 36955), (11552, 35010), (11670, 34656), (12448, 32490), (12996, 31120), (13680, 29564), (14004, 28880), (14440, 28008), (14782, 27360), (15560, 25992), (16245, 24896), (17328, 23340), (17505, 23104), (18240, 22173), (18672, 21660)]