123890640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 409795200

約数和(自身を除く): 285904560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 101, 114, 120, 152, 190, 202, 228, 240, 269, 285, 303, 304, 380, 404, 456, 505, 538, 570, 606, 760, 807, 808, 912, 1010, 1076, 1140, 1212, 1345, 1515, 1520, 1614, 1616, 1919, 2020, 2152, 2280, 2424, 2690, 3030, 3228, 3838, 4035, 4040, 4304, 4560, 4848, 5111, 5380, 5757, 6060, 6456, 7676, 8070, 8080, 9595, 10222, 10760, 11514, 12120, 12912, 15333, 15352, 16140, 19190, 20444, 21520, 23028, 24240, 25555, 27169, 28785, 30666, 30704, 32280, 38380, 40888, 46056, 51110, 54338, 57570, 61332, 64560, 76665, 76760, 81507, 81776, 92112, 102220, 108676, 115140, 122664, 135845, 153330, 153520, 163014, 204440, 217352, 230280, 245328, 271690, 306660, 326028, 407535, 408880, 434704, 460560, 516211, 543380, 613320, 652056, 815070, 1032422, 1086760, 1226640, 1304112, 1548633, 1630140, 2064844, 2173520, 2581055, 3097266, 3260280, 4129688, 5162110, 6194532, 6520560, 7743165, 8259376, 10324220, 12389064, 15486330, 20648440, 24778128, 30972660, 41296880, 61945320, 123890640]

約数ペア:

[(1, 123890640), (2, 61945320), (3, 41296880), (4, 30972660), (5, 24778128), (6, 20648440), (8, 15486330), (10, 12389064), (12, 10324220), (15, 8259376), (16, 7743165), (19, 6520560), (20, 6194532), (24, 5162110), (30, 4129688), (38, 3260280), (40, 3097266), (48, 2581055), (57, 2173520), (60, 2064844), (76, 1630140), (80, 1548633), (95, 1304112), (101, 1226640), (114, 1086760), (120, 1032422), (152, 815070), (190, 652056), (202, 613320), (228, 543380), (240, 516211), (269, 460560), (285, 434704), (303, 408880), (304, 407535), (380, 326028), (404, 306660), (456, 271690), (505, 245328), (538, 230280), (570, 217352), (606, 204440), (760, 163014), (807, 153520), (808, 153330), (912, 135845), (1010, 122664), (1076, 115140), (1140, 108676), (1212, 102220), (1345, 92112), (1515, 81776), (1520, 81507), (1614, 76760), (1616, 76665), (1919, 64560), (2020, 61332), (2152, 57570), (2280, 54338), (2424, 51110), (2690, 46056), (3030, 40888), (3228, 38380), (3838, 32280), (4035, 30704), (4040, 30666), (4304, 28785), (4560, 27169), (4848, 25555), (5111, 24240), (5380, 23028), (5757, 21520), (6060, 20444), (6456, 19190), (7676, 16140), (8070, 15352), (8080, 15333), (9595, 12912), (10222, 12120), (10760, 11514)]