65026980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 144112860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 113, 115, 138, 139, 180, 207, 226, 230, 276, 278, 339, 345, 414, 417, 452, 460, 556, 565, 678, 690, 695, 828, 834, 1017, 1035, 1130, 1251, 1356, 1380, 1390, 1668, 1695, 2034, 2070, 2085, 2260, 2502, 2599, 2780, 3197, 3390, 4068, 4140, 4170, 5004, 5085, 5198, 6255, 6394, 6780, 7797, 8340, 9591, 10170, 10396, 12510, 12788, 12995, 15594, 15707, 15985, 19182, 20340, 23391, 25020, 25990, 28773, 31188, 31414, 31970, 38364, 38985, 46782, 47121, 47955, 51980, 57546, 62828, 63940, 77970, 78535, 93564, 94242, 95910, 115092, 116955, 141363, 143865, 155940, 157070, 188484, 191820, 233910, 235605, 282726, 287730, 314140, 361261, 467820, 471210, 565452, 575460, 706815, 722522, 942420, 1083783, 1413630, 1445044, 1806305, 2167566, 2827260, 3251349, 3612610, 4335132, 5418915, 6502698, 7225220, 10837830, 13005396, 16256745, 21675660, 32513490, 65026980]

約数ペア:

[(1, 65026980), (2, 32513490), (3, 21675660), (4, 16256745), (5, 13005396), (6, 10837830), (9, 7225220), (10, 6502698), (12, 5418915), (15, 4335132), (18, 3612610), (20, 3251349), (23, 2827260), (30, 2167566), (36, 1806305), (45, 1445044), (46, 1413630), (60, 1083783), (69, 942420), (90, 722522), (92, 706815), (113, 575460), (115, 565452), (138, 471210), (139, 467820), (180, 361261), (207, 314140), (226, 287730), (230, 282726), (276, 235605), (278, 233910), (339, 191820), (345, 188484), (414, 157070), (417, 155940), (452, 143865), (460, 141363), (556, 116955), (565, 115092), (678, 95910), (690, 94242), (695, 93564), (828, 78535), (834, 77970), (1017, 63940), (1035, 62828), (1130, 57546), (1251, 51980), (1356, 47955), (1380, 47121), (1390, 46782), (1668, 38985), (1695, 38364), (2034, 31970), (2070, 31414), (2085, 31188), (2260, 28773), (2502, 25990), (2599, 25020), (2780, 23391), (3197, 20340), (3390, 19182), (4068, 15985), (4140, 15707), (4170, 15594), (5004, 12995), (5085, 12788), (5198, 12510), (6255, 10396), (6394, 10170), (6780, 9591), (7797, 8340)]