1278287790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4674

約数の個数: 128

約数和(自身を含む): 3559514112

約数和(自身を除く): 2281226322

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 31, 39, 46, 62, 65, 69, 78, 93, 115, 130, 138, 155, 186, 195, 230, 299, 310, 345, 390, 403, 465, 598, 690, 713, 806, 897, 930, 1209, 1426, 1495, 1794, 2015, 2139, 2418, 2990, 3565, 4030, 4278, 4485, 4597, 6045, 7130, 8970, 9194, 9269, 10695, 12090, 13791, 18538, 21390, 22985, 27582, 27807, 45970, 46345, 55614, 59761, 68955, 92690, 105731, 119522, 137910, 139035, 142507, 179283, 211462, 278070, 285014, 298805, 317193, 358566, 427521, 528655, 597610, 634386, 712535, 855042, 896415, 1057310, 1374503, 1425070, 1585965, 1792830, 1852591, 2137605, 2749006, 3171930, 3277661, 3705182, 4123509, 4275210, 5557773, 6555322, 6872515, 8247018, 9262955, 9832983, 11115546, 13745030, 16388305, 18525910, 19665966, 20617545, 27788865, 32776610, 41235090, 42609593, 49164915, 55577730, 85219186, 98329830, 127828779, 213047965, 255657558, 426095930, 639143895, 1278287790]

約数ペア:

[(1, 1278287790), (2, 639143895), (3, 426095930), (5, 255657558), (6, 213047965), (10, 127828779), (13, 98329830), (15, 85219186), (23, 55577730), (26, 49164915), (30, 42609593), (31, 41235090), (39, 32776610), (46, 27788865), (62, 20617545), (65, 19665966), (69, 18525910), (78, 16388305), (93, 13745030), (115, 11115546), (130, 9832983), (138, 9262955), (155, 8247018), (186, 6872515), (195, 6555322), (230, 5557773), (299, 4275210), (310, 4123509), (345, 3705182), (390, 3277661), (403, 3171930), (465, 2749006), (598, 2137605), (690, 1852591), (713, 1792830), (806, 1585965), (897, 1425070), (930, 1374503), (1209, 1057310), (1426, 896415), (1495, 855042), (1794, 712535), (2015, 634386), (2139, 597610), (2418, 528655), (2990, 427521), (3565, 358566), (4030, 317193), (4278, 298805), (4485, 285014), (4597, 278070), (6045, 211462), (7130, 179283), (8970, 142507), (9194, 139035), (9269, 137910), (10695, 119522), (12090, 105731), (13791, 92690), (18538, 68955), (21390, 59761), (22985, 55614), (27582, 46345), (27807, 45970)]