45115880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 116640000

約数和(自身を除く): 71524120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 29, 38, 40, 46, 58, 76, 89, 92, 95, 115, 116, 145, 152, 178, 184, 190, 230, 232, 290, 356, 380, 437, 445, 460, 551, 580, 667, 712, 760, 874, 890, 920, 1102, 1160, 1334, 1691, 1748, 1780, 2047, 2185, 2204, 2581, 2668, 2755, 3335, 3382, 3496, 3560, 4094, 4370, 4408, 5162, 5336, 5510, 6670, 6764, 8188, 8455, 8740, 10235, 10324, 11020, 12673, 12905, 13340, 13528, 16376, 16910, 17480, 20470, 20648, 22040, 25346, 25810, 26680, 33820, 38893, 40940, 49039, 50692, 51620, 59363, 63365, 67640, 77786, 81880, 98078, 101384, 103240, 118726, 126730, 155572, 194465, 196156, 237452, 245195, 253460, 296815, 311144, 388930, 392312, 474904, 490390, 506920, 593630, 777860, 980780, 1127897, 1187260, 1555720, 1961560, 2255794, 2374520, 4511588, 5639485, 9023176, 11278970, 22557940, 45115880]

約数ペア:

[(1, 45115880), (2, 22557940), (4, 11278970), (5, 9023176), (8, 5639485), (10, 4511588), (19, 2374520), (20, 2255794), (23, 1961560), (29, 1555720), (38, 1187260), (40, 1127897), (46, 980780), (58, 777860), (76, 593630), (89, 506920), (92, 490390), (95, 474904), (115, 392312), (116, 388930), (145, 311144), (152, 296815), (178, 253460), (184, 245195), (190, 237452), (230, 196156), (232, 194465), (290, 155572), (356, 126730), (380, 118726), (437, 103240), (445, 101384), (460, 98078), (551, 81880), (580, 77786), (667, 67640), (712, 63365), (760, 59363), (874, 51620), (890, 50692), (920, 49039), (1102, 40940), (1160, 38893), (1334, 33820), (1691, 26680), (1748, 25810), (1780, 25346), (2047, 22040), (2185, 20648), (2204, 20470), (2581, 17480), (2668, 16910), (2755, 16376), (3335, 13528), (3382, 13340), (3496, 12905), (3560, 12673), (4094, 11020), (4370, 10324), (4408, 10235), (5162, 8740), (5336, 8455), (5510, 8188), (6670, 6764)]