20123258280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{8783}}^1$

素因数の和:9171

約数の個数: 128

約数和(自身を含む): 61562488320

約数和(自身を除く): 41439230040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 313, 366, 488, 610, 626, 732, 915, 939, 1220, 1252, 1464, 1565, 1830, 1878, 2440, 2504, 3130, 3660, 3756, 4695, 6260, 7320, 7512, 8783, 9390, 12520, 17566, 18780, 19093, 26349, 35132, 37560, 38186, 43915, 52698, 57279, 70264, 76372, 87830, 95465, 105396, 114558, 131745, 152744, 175660, 190930, 210792, 229116, 263490, 286395, 351320, 381860, 458232, 526980, 535763, 572790, 763720, 1053960, 1071526, 1145580, 1607289, 2143052, 2291160, 2678815, 2749079, 3214578, 4286104, 5357630, 5498158, 6429156, 8036445, 8247237, 10715260, 10996316, 12858312, 13745395, 16072890, 16494474, 21430520, 21992632, 27490790, 32145780, 32988948, 41236185, 54981580, 64291560, 65977896, 82472370, 109963160, 164944740, 167693819, 329889480, 335387638, 503081457, 670775276, 838469095, 1006162914, 1341550552, 1676938190, 2012325828, 2515407285, 3353876380, 4024651656, 5030814570, 6707752760, 10061629140, 20123258280]

約数ペア:

[(1, 20123258280), (2, 10061629140), (3, 6707752760), (4, 5030814570), (5, 4024651656), (6, 3353876380), (8, 2515407285), (10, 2012325828), (12, 1676938190), (15, 1341550552), (20, 1006162914), (24, 838469095), (30, 670775276), (40, 503081457), (60, 335387638), (61, 329889480), (120, 167693819), (122, 164944740), (183, 109963160), (244, 82472370), (305, 65977896), (313, 64291560), (366, 54981580), (488, 41236185), (610, 32988948), (626, 32145780), (732, 27490790), (915, 21992632), (939, 21430520), (1220, 16494474), (1252, 16072890), (1464, 13745395), (1565, 12858312), (1830, 10996316), (1878, 10715260), (2440, 8247237), (2504, 8036445), (3130, 6429156), (3660, 5498158), (3756, 5357630), (4695, 4286104), (6260, 3214578), (7320, 2749079), (7512, 2678815), (8783, 2291160), (9390, 2143052), (12520, 1607289), (17566, 1145580), (18780, 1071526), (19093, 1053960), (26349, 763720), (35132, 572790), (37560, 535763), (38186, 526980), (43915, 458232), (52698, 381860), (57279, 351320), (70264, 286395), (76372, 263490), (87830, 229116), (95465, 210792), (105396, 190930), (114558, 175660), (131745, 152744)]