157440320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 112

約数和(自身を含む): 395020800

約数和(自身を除く): 237580480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 155, 160, 236, 248, 269, 295, 310, 320, 472, 496, 538, 590, 620, 944, 992, 1076, 1180, 1240, 1345, 1829, 1888, 1984, 2152, 2360, 2480, 2690, 3658, 3776, 4304, 4720, 4960, 5380, 7316, 8339, 8608, 9145, 9440, 9920, 10760, 14632, 15871, 16678, 17216, 18290, 18880, 21520, 29264, 31742, 33356, 36580, 41695, 43040, 58528, 63484, 66712, 73160, 79355, 83390, 86080, 117056, 126968, 133424, 146320, 158710, 166780, 253936, 266848, 292640, 317420, 333560, 492001, 507872, 533696, 585280, 634840, 667120, 984002, 1015744, 1269680, 1334240, 1968004, 2460005, 2539360, 2668480, 3936008, 4920010, 5078720, 7872016, 9840020, 15744032, 19680040, 31488064, 39360080, 78720160, 157440320]

約数ペア:

[(1, 157440320), (2, 78720160), (4, 39360080), (5, 31488064), (8, 19680040), (10, 15744032), (16, 9840020), (20, 7872016), (31, 5078720), (32, 4920010), (40, 3936008), (59, 2668480), (62, 2539360), (64, 2460005), (80, 1968004), (118, 1334240), (124, 1269680), (155, 1015744), (160, 984002), (236, 667120), (248, 634840), (269, 585280), (295, 533696), (310, 507872), (320, 492001), (472, 333560), (496, 317420), (538, 292640), (590, 266848), (620, 253936), (944, 166780), (992, 158710), (1076, 146320), (1180, 133424), (1240, 126968), (1345, 117056), (1829, 86080), (1888, 83390), (1984, 79355), (2152, 73160), (2360, 66712), (2480, 63484), (2690, 58528), (3658, 43040), (3776, 41695), (4304, 36580), (4720, 33356), (4960, 31742), (5380, 29264), (7316, 21520), (8339, 18880), (8608, 18290), (9145, 17216), (9440, 16678), (9920, 15871), (10760, 14632)]