86938880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 246457344

約数和(自身を除く): 159518464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 313, 320, 434, 448, 496, 560, 620, 626, 640, 868, 896, 992, 1085, 1120, 1240, 1252, 1280, 1565, 1736, 1792, 1984, 2170, 2191, 2240, 2480, 2504, 3130, 3472, 3968, 4340, 4382, 4480, 4960, 5008, 6260, 6944, 7936, 8680, 8764, 8960, 9703, 9920, 10016, 10955, 12520, 13888, 17360, 17528, 19406, 19840, 20032, 21910, 25040, 27776, 34720, 35056, 38812, 39680, 40064, 43820, 48515, 50080, 55552, 67921, 69440, 70112, 77624, 80128, 87640, 97030, 100160, 135842, 138880, 140224, 155248, 175280, 194060, 200320, 271684, 277760, 280448, 310496, 339605, 350560, 388120, 400640, 543368, 560896, 620992, 679210, 701120, 776240, 1086736, 1241984, 1358420, 1402240, 1552480, 2173472, 2483968, 2716840, 2804480, 3104960, 4346944, 5433680, 6209920, 8693888, 10867360, 12419840, 17387776, 21734720, 43469440, 86938880]

約数ペア:

[(1, 86938880), (2, 43469440), (4, 21734720), (5, 17387776), (7, 12419840), (8, 10867360), (10, 8693888), (14, 6209920), (16, 5433680), (20, 4346944), (28, 3104960), (31, 2804480), (32, 2716840), (35, 2483968), (40, 2173472), (56, 1552480), (62, 1402240), (64, 1358420), (70, 1241984), (80, 1086736), (112, 776240), (124, 701120), (128, 679210), (140, 620992), (155, 560896), (160, 543368), (217, 400640), (224, 388120), (248, 350560), (256, 339605), (280, 310496), (310, 280448), (313, 277760), (320, 271684), (434, 200320), (448, 194060), (496, 175280), (560, 155248), (620, 140224), (626, 138880), (640, 135842), (868, 100160), (896, 97030), (992, 87640), (1085, 80128), (1120, 77624), (1240, 70112), (1252, 69440), (1280, 67921), (1565, 55552), (1736, 50080), (1792, 48515), (1984, 43820), (2170, 40064), (2191, 39680), (2240, 38812), (2480, 35056), (2504, 34720), (3130, 27776), (3472, 25040), (3968, 21910), (4340, 20032), (4382, 19840), (4480, 19406), (4960, 17528), (5008, 17360), (6260, 13888), (6944, 12520), (7936, 10955), (8680, 10016), (8764, 9920), (8960, 9703)]