1397671920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1548

約数の個数: 240

約数和(自身を含む): 5013964800

約数和(自身を除く): 3616292880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 284, 285, 304, 342, 355, 360, 380, 426, 456, 568, 570, 639, 684, 710, 720, 760, 852, 855, 912, 1065, 1136, 1140, 1278, 1349, 1368, 1420, 1439, 1520, 1704, 1710, 2130, 2280, 2556, 2698, 2736, 2840, 2878, 3195, 3408, 3420, 4047, 4260, 4317, 4560, 5112, 5396, 5680, 5756, 6390, 6745, 6840, 7195, 8094, 8520, 8634, 10224, 10792, 11512, 12141, 12780, 12951, 13490, 13680, 14390, 16188, 17040, 17268, 20235, 21584, 21585, 23024, 24282, 25560, 25902, 26980, 27341, 28780, 32376, 34536, 40470, 43170, 48564, 51120, 51804, 53960, 54682, 57560, 60705, 64752, 64755, 69072, 80940, 82023, 86340, 97128, 102169, 103608, 107920, 109364, 115120, 121410, 129510, 136705, 161880, 164046, 172680, 194256, 204338, 207216, 218728, 242820, 246069, 259020, 273410, 306507, 323760, 328092, 345360, 408676, 410115, 437456, 485640, 492138, 510845, 518040, 546820, 613014, 656184, 817352, 820230, 919521, 971280, 984276, 1021690, 1036080, 1093640, 1226028, 1230345, 1312368, 1532535, 1634704, 1640460, 1839042, 1941211, 1968552, 2043380, 2187280, 2452056, 2460690, 3065070, 3280920, 3678084, 3882422, 3937104, 4086760, 4597605, 4904112, 4921380, 5823633, 6130140, 6561840, 7356168, 7764844, 8173520, 9195210, 9706055, 9842760, 11647266, 12260280, 14712336, 15529688, 17470899, 18390420, 19412110, 19685520, 23294532, 24520560, 29118165, 31059376, 34941798, 36780840, 38824220, 46589064, 58236330, 69883596, 73561680, 77648440, 87354495, 93178128, 116472660, 139767192, 155296880, 174708990, 232945320, 279534384, 349417980, 465890640, 698835960, 1397671920]

約数ペア:

[(1, 1397671920), (2, 698835960), (3, 465890640), (4, 349417980), (5, 279534384), (6, 232945320), (8, 174708990), (9, 155296880), (10, 139767192), (12, 116472660), (15, 93178128), (16, 87354495), (18, 77648440), (19, 73561680), (20, 69883596), (24, 58236330), (30, 46589064), (36, 38824220), (38, 36780840), (40, 34941798), (45, 31059376), (48, 29118165), (57, 24520560), (60, 23294532), (71, 19685520), (72, 19412110), (76, 18390420), (80, 17470899), (90, 15529688), (95, 14712336), (114, 12260280), (120, 11647266), (142, 9842760), (144, 9706055), (152, 9195210), (171, 8173520), (180, 7764844), (190, 7356168), (213, 6561840), (228, 6130140), (240, 5823633), (284, 4921380), (285, 4904112), (304, 4597605), (342, 4086760), (355, 3937104), (360, 3882422), (380, 3678084), (426, 3280920), (456, 3065070), (568, 2460690), (570, 2452056), (639, 2187280), (684, 2043380), (710, 1968552), (720, 1941211), (760, 1839042), (852, 1640460), (855, 1634704), (912, 1532535), (1065, 1312368), (1136, 1230345), (1140, 1226028), (1278, 1093640), (1349, 1036080), (1368, 1021690), (1420, 984276), (1439, 971280), (1520, 919521), (1704, 820230), (1710, 817352), (2130, 656184), (2280, 613014), (2556, 546820), (2698, 518040), (2736, 510845), (2840, 492138), (2878, 485640), (3195, 437456), (3408, 410115), (3420, 408676), (4047, 345360), (4260, 328092), (4317, 323760), (4560, 306507), (5112, 273410), (5396, 259020), (5680, 246069), (5756, 242820), (6390, 218728), (6745, 207216), (6840, 204338), (7195, 194256), (8094, 172680), (8520, 164046), (8634, 161880), (10224, 136705), (10792, 129510), (11512, 121410), (12141, 115120), (12780, 109364), (12951, 107920), (13490, 103608), (13680, 102169), (14390, 97128), (16188, 86340), (17040, 82023), (17268, 80940), (20235, 69072), (21584, 64755), (21585, 64752), (23024, 60705), (24282, 57560), (25560, 54682), (25902, 53960), (26980, 51804), (27341, 51120), (28780, 48564), (32376, 43170), (34536, 40470)]