157142720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 168

約数和(自身を含む): 447946272

約数和(自身を除く): 290803552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 112, 124, 140, 146, 155, 160, 217, 224, 248, 280, 292, 310, 320, 365, 434, 448, 496, 511, 560, 584, 620, 730, 868, 961, 992, 1022, 1085, 1120, 1168, 1240, 1460, 1736, 1922, 1984, 2044, 2170, 2240, 2263, 2336, 2480, 2555, 2920, 3472, 3844, 4088, 4340, 4526, 4672, 4805, 4960, 5110, 5840, 6727, 6944, 7688, 8176, 8680, 9052, 9610, 9920, 10220, 11315, 11680, 13454, 13888, 15376, 15841, 16352, 17360, 18104, 19220, 20440, 22630, 23360, 26908, 30752, 31682, 32704, 33635, 34720, 36208, 38440, 40880, 45260, 53816, 61504, 63364, 67270, 69440, 70153, 72416, 76880, 79205, 81760, 90520, 107632, 126728, 134540, 140306, 144832, 153760, 158410, 163520, 181040, 215264, 253456, 269080, 280612, 307520, 316820, 350765, 362080, 430528, 491071, 506912, 538160, 561224, 633640, 701530, 724160, 982142, 1013824, 1076320, 1122448, 1267280, 1403060, 1964284, 2152640, 2244896, 2455355, 2534560, 2806120, 3928568, 4489792, 4910710, 5069120, 5612240, 7857136, 9821420, 11224480, 15714272, 19642840, 22448960, 31428544, 39285680, 78571360, 157142720]

約数ペア:

[(1, 157142720), (2, 78571360), (4, 39285680), (5, 31428544), (7, 22448960), (8, 19642840), (10, 15714272), (14, 11224480), (16, 9821420), (20, 7857136), (28, 5612240), (31, 5069120), (32, 4910710), (35, 4489792), (40, 3928568), (56, 2806120), (62, 2534560), (64, 2455355), (70, 2244896), (73, 2152640), (80, 1964284), (112, 1403060), (124, 1267280), (140, 1122448), (146, 1076320), (155, 1013824), (160, 982142), (217, 724160), (224, 701530), (248, 633640), (280, 561224), (292, 538160), (310, 506912), (320, 491071), (365, 430528), (434, 362080), (448, 350765), (496, 316820), (511, 307520), (560, 280612), (584, 269080), (620, 253456), (730, 215264), (868, 181040), (961, 163520), (992, 158410), (1022, 153760), (1085, 144832), (1120, 140306), (1168, 134540), (1240, 126728), (1460, 107632), (1736, 90520), (1922, 81760), (1984, 79205), (2044, 76880), (2170, 72416), (2240, 70153), (2263, 69440), (2336, 67270), (2480, 63364), (2555, 61504), (2920, 53816), (3472, 45260), (3844, 40880), (4088, 38440), (4340, 36208), (4526, 34720), (4672, 33635), (4805, 32704), (4960, 31682), (5110, 30752), (5840, 26908), (6727, 23360), (6944, 22630), (7688, 20440), (8176, 19220), (8680, 18104), (9052, 17360), (9610, 16352), (9920, 15841), (10220, 15376), (11315, 13888), (11680, 13454)]