163089160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 440899200

約数和(自身を除く): 277810040

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 520, 646, 680, 760, 884, 971, 988, 1105, 1235, 1292, 1615, 1768, 1942, 1976, 2210, 2470, 2584, 3230, 3884, 4199, 4420, 4855, 4940, 6460, 7768, 8398, 8840, 9710, 9880, 12623, 12920, 16507, 16796, 18449, 19420, 20995, 25246, 33014, 33592, 36898, 38840, 41990, 50492, 63115, 66028, 73796, 82535, 83980, 92245, 100984, 126230, 132056, 147592, 165070, 167960, 184490, 214591, 239837, 252460, 313633, 330140, 368980, 429182, 479674, 504920, 627266, 660280, 737960, 858364, 959348, 1072955, 1199185, 1254532, 1568165, 1716728, 1918696, 2145910, 2398370, 2509064, 3136330, 4077229, 4291820, 4796740, 6272660, 8154458, 8583640, 9593480, 12545320, 16308916, 20386145, 32617832, 40772290, 81544580, 163089160]

約数ペア:

[(1, 163089160), (2, 81544580), (4, 40772290), (5, 32617832), (8, 20386145), (10, 16308916), (13, 12545320), (17, 9593480), (19, 8583640), (20, 8154458), (26, 6272660), (34, 4796740), (38, 4291820), (40, 4077229), (52, 3136330), (65, 2509064), (68, 2398370), (76, 2145910), (85, 1918696), (95, 1716728), (104, 1568165), (130, 1254532), (136, 1199185), (152, 1072955), (170, 959348), (190, 858364), (221, 737960), (247, 660280), (260, 627266), (323, 504920), (340, 479674), (380, 429182), (442, 368980), (494, 330140), (520, 313633), (646, 252460), (680, 239837), (760, 214591), (884, 184490), (971, 167960), (988, 165070), (1105, 147592), (1235, 132056), (1292, 126230), (1615, 100984), (1768, 92245), (1942, 83980), (1976, 82535), (2210, 73796), (2470, 66028), (2584, 63115), (3230, 50492), (3884, 41990), (4199, 38840), (4420, 36898), (4855, 33592), (4940, 33014), (6460, 25246), (7768, 20995), (8398, 19420), (8840, 18449), (9710, 16796), (9880, 16507), (12623, 12920)]