661935560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3733}}^1$

素因数の和:3799

約数の個数: 128

約数和(自身を含む): 1806658560

約数和(自身を除く): 1144723000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2728, 2860, 3224, 3410, 3733, 4030, 4433, 5720, 6820, 7466, 8060, 8866, 13640, 14932, 16120, 17732, 18665, 22165, 29864, 35464, 37330, 41063, 44330, 48529, 74660, 82126, 88660, 97058, 115723, 149320, 164252, 177320, 194116, 205315, 231446, 242645, 328504, 388232, 410630, 462892, 485290, 533819, 578615, 821260, 925784, 970580, 1067638, 1157230, 1272953, 1504399, 1642520, 1941160, 2135276, 2314460, 2545906, 2669095, 3008798, 4270552, 4628920, 5091812, 5338190, 6017596, 6364765, 7521995, 10183624, 10676380, 12035192, 12729530, 15043990, 16548389, 21352760, 25459060, 30087980, 33096778, 50918120, 60175960, 66193556, 82741945, 132387112, 165483890, 330967780, 661935560]

約数ペア:

[(1, 661935560), (2, 330967780), (4, 165483890), (5, 132387112), (8, 82741945), (10, 66193556), (11, 60175960), (13, 50918120), (20, 33096778), (22, 30087980), (26, 25459060), (31, 21352760), (40, 16548389), (44, 15043990), (52, 12729530), (55, 12035192), (62, 10676380), (65, 10183624), (88, 7521995), (104, 6364765), (110, 6017596), (124, 5338190), (130, 5091812), (143, 4628920), (155, 4270552), (220, 3008798), (248, 2669095), (260, 2545906), (286, 2314460), (310, 2135276), (341, 1941160), (403, 1642520), (440, 1504399), (520, 1272953), (572, 1157230), (620, 1067638), (682, 970580), (715, 925784), (806, 821260), (1144, 578615), (1240, 533819), (1364, 485290), (1430, 462892), (1612, 410630), (1705, 388232), (2015, 328504), (2728, 242645), (2860, 231446), (3224, 205315), (3410, 194116), (3733, 177320), (4030, 164252), (4433, 149320), (5720, 115723), (6820, 97058), (7466, 88660), (8060, 82126), (8866, 74660), (13640, 48529), (14932, 44330), (16120, 41063), (17732, 37330), (18665, 35464), (22165, 29864)]