220227280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 160

約数和(自身を含む): 637459200

約数和(自身を除く): 417231920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 179, 182, 208, 260, 280, 338, 358, 364, 455, 520, 560, 676, 716, 728, 845, 895, 910, 1040, 1183, 1253, 1352, 1432, 1456, 1690, 1790, 1820, 2197, 2327, 2366, 2506, 2704, 2864, 3380, 3580, 3640, 4394, 4654, 4732, 5012, 5915, 6265, 6760, 7160, 7280, 8788, 9308, 9464, 10024, 10985, 11635, 11830, 12530, 13520, 14320, 15379, 16289, 17576, 18616, 18928, 20048, 21970, 23270, 23660, 25060, 30251, 30758, 32578, 35152, 37232, 43940, 46540, 47320, 50120, 60502, 61516, 65156, 76895, 81445, 87880, 93080, 94640, 100240, 121004, 123032, 130312, 151255, 153790, 162890, 175760, 186160, 211757, 242008, 246064, 260624, 302510, 307580, 325780, 393263, 423514, 484016, 605020, 615160, 651560, 786526, 847028, 1058785, 1210040, 1230320, 1303120, 1573052, 1694056, 1966315, 2117570, 2420080, 2752841, 3146104, 3388112, 3932630, 4235140, 5505682, 6292208, 7865260, 8470280, 11011364, 13764205, 15730520, 16940560, 22022728, 27528410, 31461040, 44045456, 55056820, 110113640, 220227280]

約数ペア:

[(1, 220227280), (2, 110113640), (4, 55056820), (5, 44045456), (7, 31461040), (8, 27528410), (10, 22022728), (13, 16940560), (14, 15730520), (16, 13764205), (20, 11011364), (26, 8470280), (28, 7865260), (35, 6292208), (40, 5505682), (52, 4235140), (56, 3932630), (65, 3388112), (70, 3146104), (80, 2752841), (91, 2420080), (104, 2117570), (112, 1966315), (130, 1694056), (140, 1573052), (169, 1303120), (179, 1230320), (182, 1210040), (208, 1058785), (260, 847028), (280, 786526), (338, 651560), (358, 615160), (364, 605020), (455, 484016), (520, 423514), (560, 393263), (676, 325780), (716, 307580), (728, 302510), (845, 260624), (895, 246064), (910, 242008), (1040, 211757), (1183, 186160), (1253, 175760), (1352, 162890), (1432, 153790), (1456, 151255), (1690, 130312), (1790, 123032), (1820, 121004), (2197, 100240), (2327, 94640), (2366, 93080), (2506, 87880), (2704, 81445), (2864, 76895), (3380, 65156), (3580, 61516), (3640, 60502), (4394, 50120), (4654, 47320), (4732, 46540), (5012, 43940), (5915, 37232), (6265, 35152), (6760, 32578), (7160, 30758), (7280, 30251), (8788, 25060), (9308, 23660), (9464, 23270), (10024, 21970), (10985, 20048), (11635, 18928), (11830, 18616), (12530, 17576), (13520, 16289), (14320, 15379)]