172813840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4160

約数の個数: 80

約数和(自身を含む): 439257600

約数和(自身を除く): 266443760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4099, 4216, 5270, 8198, 8432, 10540, 16396, 20495, 21080, 32792, 40990, 42160, 65584, 69683, 81980, 127069, 139366, 163960, 254138, 278732, 327920, 348415, 508276, 557464, 635345, 696830, 1016552, 1114928, 1270690, 1393660, 2033104, 2160173, 2541380, 2787320, 4320346, 5082760, 5574640, 8640692, 10165520, 10800865, 17281384, 21601730, 34562768, 43203460, 86406920, 172813840]

約数ペア:

[(1, 172813840), (2, 86406920), (4, 43203460), (5, 34562768), (8, 21601730), (10, 17281384), (16, 10800865), (17, 10165520), (20, 8640692), (31, 5574640), (34, 5082760), (40, 4320346), (62, 2787320), (68, 2541380), (80, 2160173), (85, 2033104), (124, 1393660), (136, 1270690), (155, 1114928), (170, 1016552), (248, 696830), (272, 635345), (310, 557464), (340, 508276), (496, 348415), (527, 327920), (620, 278732), (680, 254138), (1054, 163960), (1240, 139366), (1360, 127069), (2108, 81980), (2480, 69683), (2635, 65584), (4099, 42160), (4216, 40990), (5270, 32792), (8198, 21080), (8432, 20495), (10540, 16396)]