304960640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 488191360

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, 760, 809, 992, 1178, 1216, 1240, 1520, 1618, 1984, 2356, 2432, 2480, 2945, 3040, 3236, 3968, 4045, 4712, 4960, 5890, 6080, 6472, 8090, 9424, 9920, 11780, 12160, 12944, 15371, 16180, 18848, 19840, 23560, 25079, 25888, 30742, 32360, 37696, 47120, 50158, 51776, 61484, 64720, 75392, 76855, 94240, 100316, 103552, 122968, 125395, 129440, 153710, 188480, 200632, 245936, 250790, 258880, 307420, 376960, 401264, 476501, 491872, 501580, 517760, 614840, 802528, 953002, 983744, 1003160, 1229680, 1605056, 1906004, 1967488, 2006320, 2382505, 2459360, 3210112, 3812008, 4012640, 4765010, 4918720, 7624016, 8025280, 9530020, 9837440, 15248032, 16050560, 19060040, 30496064, 38120080, 60992128, 76240160, 152480320, 304960640]

約数ペア:

[(1, 304960640), (2, 152480320), (4, 76240160), (5, 60992128), (8, 38120080), (10, 30496064), (16, 19060040), (19, 16050560), (20, 15248032), (31, 9837440), (32, 9530020), (38, 8025280), (40, 7624016), (62, 4918720), (64, 4765010), (76, 4012640), (80, 3812008), (95, 3210112), (124, 2459360), (128, 2382505), (152, 2006320), (155, 1967488), (160, 1906004), (190, 1605056), (248, 1229680), (304, 1003160), (310, 983744), (320, 953002), (380, 802528), (496, 614840), (589, 517760), (608, 501580), (620, 491872), (640, 476501), (760, 401264), (809, 376960), (992, 307420), (1178, 258880), (1216, 250790), (1240, 245936), (1520, 200632), (1618, 188480), (1984, 153710), (2356, 129440), (2432, 125395), (2480, 122968), (2945, 103552), (3040, 100316), (3236, 94240), (3968, 76855), (4045, 75392), (4712, 64720), (4960, 61484), (5890, 51776), (6080, 50158), (6472, 47120), (8090, 37696), (9424, 32360), (9920, 30742), (11780, 25888), (12160, 25079), (12944, 23560), (15371, 19840), (16180, 18848)]