215681700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1966

約数の個数: 144

約数和(自身を含む): 695580480

約数和(自身を除く): 479898780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 130, 145, 150, 156, 174, 195, 260, 290, 300, 325, 348, 377, 390, 435, 580, 650, 725, 754, 780, 870, 975, 1131, 1300, 1450, 1508, 1740, 1885, 1907, 1950, 2175, 2262, 2900, 3770, 3814, 3900, 4350, 4524, 5655, 5721, 7540, 7628, 8700, 9425, 9535, 11310, 11442, 18850, 19070, 22620, 22884, 24791, 28275, 28605, 37700, 38140, 47675, 49582, 55303, 56550, 57210, 74373, 95350, 99164, 110606, 113100, 114420, 123955, 143025, 148746, 165909, 190700, 221212, 247910, 276515, 286050, 297492, 331818, 371865, 495820, 553030, 572100, 619775, 663636, 718939, 743730, 829545, 1106060, 1239550, 1382575, 1437878, 1487460, 1659090, 1859325, 2156817, 2479100, 2765150, 2875756, 3318180, 3594695, 3718650, 4147725, 4313634, 5530300, 7189390, 7437300, 8295450, 8627268, 10784085, 14378780, 16590900, 17973475, 21568170, 35946950, 43136340, 53920425, 71893900, 107840850, 215681700]

約数ペア:

[(1, 215681700), (2, 107840850), (3, 71893900), (4, 53920425), (5, 43136340), (6, 35946950), (10, 21568170), (12, 17973475), (13, 16590900), (15, 14378780), (20, 10784085), (25, 8627268), (26, 8295450), (29, 7437300), (30, 7189390), (39, 5530300), (50, 4313634), (52, 4147725), (58, 3718650), (60, 3594695), (65, 3318180), (75, 2875756), (78, 2765150), (87, 2479100), (100, 2156817), (116, 1859325), (130, 1659090), (145, 1487460), (150, 1437878), (156, 1382575), (174, 1239550), (195, 1106060), (260, 829545), (290, 743730), (300, 718939), (325, 663636), (348, 619775), (377, 572100), (390, 553030), (435, 495820), (580, 371865), (650, 331818), (725, 297492), (754, 286050), (780, 276515), (870, 247910), (975, 221212), (1131, 190700), (1300, 165909), (1450, 148746), (1508, 143025), (1740, 123955), (1885, 114420), (1907, 113100), (1950, 110606), (2175, 99164), (2262, 95350), (2900, 74373), (3770, 57210), (3814, 56550), (3900, 55303), (4350, 49582), (4524, 47675), (5655, 38140), (5721, 37700), (7540, 28605), (7628, 28275), (8700, 24791), (9425, 22884), (9535, 22620), (11310, 19070), (11442, 18850)]