1340687520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1439}}^1$

素因数の和:2107

約数の個数: 144

約数和(自身を含む): 4585351680

約数和(自身を除く): 3244664160

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 647, 720, 1294, 1439, 1440, 1941, 2588, 2878, 3235, 3882, 4317, 5176, 5756, 5823, 6470, 7195, 7764, 8634, 9705, 10352, 11512, 11646, 12940, 12951, 14390, 15528, 17268, 19410, 20704, 21585, 23024, 23292, 25880, 25902, 28780, 29115, 31056, 34536, 38820, 43170, 46048, 46584, 51760, 51804, 57560, 58230, 62112, 64755, 69072, 77640, 86340, 93168, 103520, 103608, 115120, 116460, 129510, 138144, 155280, 172680, 186336, 207216, 230240, 232920, 259020, 310560, 345360, 414432, 465840, 518040, 690720, 931033, 931680, 1036080, 1862066, 2072160, 2793099, 3724132, 4655165, 5586198, 7448264, 8379297, 9310330, 11172396, 13965495, 14896528, 16758594, 18620660, 22344792, 27930990, 29793056, 33517188, 37241320, 41896485, 44689584, 55861980, 67034376, 74482640, 83792970, 89379168, 111723960, 134068752, 148965280, 167585940, 223447920, 268137504, 335171880, 446895840, 670343760, 1340687520]

約数ペア:

[(1, 1340687520), (2, 670343760), (3, 446895840), (4, 335171880), (5, 268137504), (6, 223447920), (8, 167585940), (9, 148965280), (10, 134068752), (12, 111723960), (15, 89379168), (16, 83792970), (18, 74482640), (20, 67034376), (24, 55861980), (30, 44689584), (32, 41896485), (36, 37241320), (40, 33517188), (45, 29793056), (48, 27930990), (60, 22344792), (72, 18620660), (80, 16758594), (90, 14896528), (96, 13965495), (120, 11172396), (144, 9310330), (160, 8379297), (180, 7448264), (240, 5586198), (288, 4655165), (360, 3724132), (480, 2793099), (647, 2072160), (720, 1862066), (1294, 1036080), (1439, 931680), (1440, 931033), (1941, 690720), (2588, 518040), (2878, 465840), (3235, 414432), (3882, 345360), (4317, 310560), (5176, 259020), (5756, 232920), (5823, 230240), (6470, 207216), (7195, 186336), (7764, 172680), (8634, 155280), (9705, 138144), (10352, 129510), (11512, 116460), (11646, 115120), (12940, 103608), (12951, 103520), (14390, 93168), (15528, 86340), (17268, 77640), (19410, 69072), (20704, 64755), (21585, 62112), (23024, 58230), (23292, 57560), (25880, 51804), (25902, 51760), (28780, 46584), (29115, 46048), (31056, 43170), (34536, 38820)]