208537680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:869

約数の個数: 160

約数和(自身を含む): 704954880

約数和(自身を除く): 496417200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 89, 104, 120, 130, 156, 178, 195, 208, 240, 260, 267, 312, 356, 390, 445, 520, 534, 624, 712, 751, 780, 890, 1040, 1068, 1157, 1335, 1424, 1502, 1560, 1780, 2136, 2253, 2314, 2670, 3004, 3120, 3471, 3560, 3755, 4272, 4506, 4628, 5340, 5785, 6008, 6942, 7120, 7510, 9012, 9256, 9763, 10680, 11265, 11570, 12016, 13884, 15020, 17355, 18024, 18512, 19526, 21360, 22530, 23140, 27768, 29289, 30040, 34710, 36048, 39052, 45060, 46280, 48815, 55536, 58578, 60080, 66839, 69420, 78104, 90120, 92560, 97630, 117156, 133678, 138840, 146445, 156208, 180240, 195260, 200517, 234312, 267356, 277680, 292890, 334195, 390520, 401034, 468624, 534712, 585780, 668390, 781040, 802068, 868907, 1002585, 1069424, 1171560, 1336780, 1604136, 1737814, 2005170, 2343120, 2606721, 2673560, 3208272, 3475628, 4010340, 4344535, 5213442, 5347120, 6951256, 8020680, 8689070, 10426884, 13033605, 13902512, 16041360, 17378140, 20853768, 26067210, 34756280, 41707536, 52134420, 69512560, 104268840, 208537680]

約数ペア:

[(1, 208537680), (2, 104268840), (3, 69512560), (4, 52134420), (5, 41707536), (6, 34756280), (8, 26067210), (10, 20853768), (12, 17378140), (13, 16041360), (15, 13902512), (16, 13033605), (20, 10426884), (24, 8689070), (26, 8020680), (30, 6951256), (39, 5347120), (40, 5213442), (48, 4344535), (52, 4010340), (60, 3475628), (65, 3208272), (78, 2673560), (80, 2606721), (89, 2343120), (104, 2005170), (120, 1737814), (130, 1604136), (156, 1336780), (178, 1171560), (195, 1069424), (208, 1002585), (240, 868907), (260, 802068), (267, 781040), (312, 668390), (356, 585780), (390, 534712), (445, 468624), (520, 401034), (534, 390520), (624, 334195), (712, 292890), (751, 277680), (780, 267356), (890, 234312), (1040, 200517), (1068, 195260), (1157, 180240), (1335, 156208), (1424, 146445), (1502, 138840), (1560, 133678), (1780, 117156), (2136, 97630), (2253, 92560), (2314, 90120), (2670, 78104), (3004, 69420), (3120, 66839), (3471, 60080), (3560, 58578), (3755, 55536), (4272, 48815), (4506, 46280), (4628, 45060), (5340, 39052), (5785, 36048), (6008, 34710), (6942, 30040), (7120, 29289), (7510, 27768), (9012, 23140), (9256, 22530), (9763, 21360), (10680, 19526), (11265, 18512), (11570, 18024), (12016, 17355), (13884, 15020)]