1920555280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{11867}}^1$

素因数の和:11921

約数の個数: 120

約数和(自身を含む): 5421492288

約数和(自身を除く): 3500937008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 289, 340, 476, 560, 578, 595, 680, 952, 1156, 1190, 1360, 1445, 1904, 2023, 2312, 2380, 2890, 4046, 4624, 4760, 5780, 8092, 9520, 10115, 11560, 11867, 16184, 20230, 23120, 23734, 32368, 40460, 47468, 59335, 80920, 83069, 94936, 118670, 161840, 166138, 189872, 201739, 237340, 332276, 403478, 415345, 474680, 664552, 806956, 830690, 949360, 1008695, 1329104, 1412173, 1613912, 1661380, 2017390, 2824346, 3227824, 3322760, 3429563, 4034780, 5648692, 6645520, 6859126, 7060865, 8069560, 11297384, 13718252, 14121730, 16139120, 17147815, 22594768, 24006941, 27436504, 28243460, 34295630, 48013882, 54873008, 56486920, 68591260, 96027764, 112973840, 120034705, 137182520, 192055528, 240069410, 274365040, 384111056, 480138820, 960277640, 1920555280]

約数ペア:

[(1, 1920555280), (2, 960277640), (4, 480138820), (5, 384111056), (7, 274365040), (8, 240069410), (10, 192055528), (14, 137182520), (16, 120034705), (17, 112973840), (20, 96027764), (28, 68591260), (34, 56486920), (35, 54873008), (40, 48013882), (56, 34295630), (68, 28243460), (70, 27436504), (80, 24006941), (85, 22594768), (112, 17147815), (119, 16139120), (136, 14121730), (140, 13718252), (170, 11297384), (238, 8069560), (272, 7060865), (280, 6859126), (289, 6645520), (340, 5648692), (476, 4034780), (560, 3429563), (578, 3322760), (595, 3227824), (680, 2824346), (952, 2017390), (1156, 1661380), (1190, 1613912), (1360, 1412173), (1445, 1329104), (1904, 1008695), (2023, 949360), (2312, 830690), (2380, 806956), (2890, 664552), (4046, 474680), (4624, 415345), (4760, 403478), (5780, 332276), (8092, 237340), (9520, 201739), (10115, 189872), (11560, 166138), (11867, 161840), (16184, 118670), (20230, 94936), (23120, 83069), (23734, 80920), (32368, 59335), (40460, 47468)]