285358720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:826

約数の個数: 128

約数和(自身を含む): 742233600

約数和(自身を除く): 456874880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 757, 760, 992, 1178, 1216, 1240, 1514, 1520, 1984, 2356, 2432, 2480, 2945, 3028, 3040, 3785, 3968, 4712, 4960, 5890, 6056, 6080, 7570, 9424, 9920, 11780, 12112, 12160, 14383, 15140, 18848, 19840, 23467, 23560, 24224, 28766, 30280, 37696, 46934, 47120, 48448, 57532, 60560, 71915, 75392, 93868, 94240, 96896, 115064, 117335, 121120, 143830, 187736, 188480, 230128, 234670, 242240, 287660, 375472, 376960, 445873, 460256, 469340, 484480, 575320, 750944, 891746, 920512, 938680, 1150640, 1501888, 1783492, 1841024, 1877360, 2229365, 2301280, 3003776, 3566984, 3754720, 4458730, 4602560, 7133968, 7509440, 8917460, 9205120, 14267936, 15018880, 17834920, 28535872, 35669840, 57071744, 71339680, 142679360, 285358720]

約数ペア:

[(1, 285358720), (2, 142679360), (4, 71339680), (5, 57071744), (8, 35669840), (10, 28535872), (16, 17834920), (19, 15018880), (20, 14267936), (31, 9205120), (32, 8917460), (38, 7509440), (40, 7133968), (62, 4602560), (64, 4458730), (76, 3754720), (80, 3566984), (95, 3003776), (124, 2301280), (128, 2229365), (152, 1877360), (155, 1841024), (160, 1783492), (190, 1501888), (248, 1150640), (304, 938680), (310, 920512), (320, 891746), (380, 750944), (496, 575320), (589, 484480), (608, 469340), (620, 460256), (640, 445873), (757, 376960), (760, 375472), (992, 287660), (1178, 242240), (1216, 234670), (1240, 230128), (1514, 188480), (1520, 187736), (1984, 143830), (2356, 121120), (2432, 117335), (2480, 115064), (2945, 96896), (3028, 94240), (3040, 93868), (3785, 75392), (3968, 71915), (4712, 60560), (4960, 57532), (5890, 48448), (6056, 47120), (6080, 46934), (7570, 37696), (9424, 30280), (9920, 28766), (11780, 24224), (12112, 23560), (12160, 23467), (14383, 19840), (15140, 18848)]