628570880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 1802366496

約数和(自身を除く): 1173795616

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, 128, 140, 146, 155, 160, 217, 224, 248, 256, 280, 292, 310, 320, 365, 434, 448, 496, 511, 560, 584, 620, 640, 730, 868, 896, 961, 992, 1022, 1085, 1120, 1168, 1240, 1280, 1460, 1736, 1792, 1922, 1984, 2044, 2170, 2240, 2263, 2336, 2480, 2555, 2920, 3472, 3844, 3968, 4088, 4340, 4480, 4526, 4672, 4805, 4960, 5110, 5840, 6727, 6944, 7688, 7936, 8176, 8680, 8960, 9052, 9344, 9610, 9920, 10220, 11315, 11680, 13454, 13888, 15376, 15841, 16352, 17360, 18104, 18688, 19220, 19840, 20440, 22630, 23360, 26908, 27776, 30752, 31682, 32704, 33635, 34720, 36208, 38440, 39680, 40880, 45260, 46720, 53816, 55552, 61504, 63364, 65408, 67270, 69440, 70153, 72416, 76880, 79205, 81760, 90520, 93440, 107632, 123008, 126728, 130816, 134540, 138880, 140306, 144832, 153760, 158410, 163520, 181040, 215264, 246016, 253456, 269080, 277760, 280612, 289664, 307520, 316820, 327040, 350765, 362080, 430528, 491071, 506912, 538160, 561224, 579328, 615040, 633640, 654080, 701530, 724160, 861056, 982142, 1013824, 1076320, 1122448, 1230080, 1267280, 1403060, 1448320, 1722112, 1964284, 2027648, 2152640, 2244896, 2455355, 2534560, 2806120, 2896640, 3928568, 4055296, 4305280, 4489792, 4910710, 5069120, 5612240, 7857136, 8610560, 8979584, 9821420, 10138240, 11224480, 15714272, 17959168, 19642840, 20276480, 22448960, 31428544, 39285680, 44897920, 62857088, 78571360, 89795840, 125714176, 157142720, 314285440, 628570880]

約数ペア:

[(1, 628570880), (2, 314285440), (4, 157142720), (5, 125714176), (7, 89795840), (8, 78571360), (10, 62857088), (14, 44897920), (16, 39285680), (20, 31428544), (28, 22448960), (31, 20276480), (32, 19642840), (35, 17959168), (40, 15714272), (56, 11224480), (62, 10138240), (64, 9821420), (70, 8979584), (73, 8610560), (80, 7857136), (112, 5612240), (124, 5069120), (128, 4910710), (140, 4489792), (146, 4305280), (155, 4055296), (160, 3928568), (217, 2896640), (224, 2806120), (248, 2534560), (256, 2455355), (280, 2244896), (292, 2152640), (310, 2027648), (320, 1964284), (365, 1722112), (434, 1448320), (448, 1403060), (496, 1267280), (511, 1230080), (560, 1122448), (584, 1076320), (620, 1013824), (640, 982142), (730, 861056), (868, 724160), (896, 701530), (961, 654080), (992, 633640), (1022, 615040), (1085, 579328), (1120, 561224), (1168, 538160), (1240, 506912), (1280, 491071), (1460, 430528), (1736, 362080), (1792, 350765), (1922, 327040), (1984, 316820), (2044, 307520), (2170, 289664), (2240, 280612), (2263, 277760), (2336, 269080), (2480, 253456), (2555, 246016), (2920, 215264), (3472, 181040), (3844, 163520), (3968, 158410), (4088, 153760), (4340, 144832), (4480, 140306), (4526, 138880), (4672, 134540), (4805, 130816), (4960, 126728), (5110, 123008), (5840, 107632), (6727, 93440), (6944, 90520), (7688, 81760), (7936, 79205), (8176, 76880), (8680, 72416), (8960, 70153), (9052, 69440), (9344, 67270), (9610, 65408), (9920, 63364), (10220, 61504), (11315, 55552), (11680, 53816), (13454, 46720), (13888, 45260), (15376, 40880), (15841, 39680), (16352, 38440), (17360, 36208), (18104, 34720), (18688, 33635), (19220, 32704), (19840, 31682), (20440, 30752), (22630, 27776), (23360, 26908)]