215912580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 192

約数和(自身を含む): 726485760

約数和(自身を除く): 510573180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 114, 130, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 323, 340, 380, 390, 442, 494, 510, 570, 646, 663, 741, 780, 857, 884, 969, 988, 1020, 1105, 1140, 1235, 1292, 1326, 1482, 1615, 1714, 1938, 2210, 2470, 2571, 2652, 2964, 3230, 3315, 3428, 3705, 3876, 4199, 4285, 4420, 4845, 4940, 5142, 6460, 6630, 7410, 8398, 8570, 9690, 10284, 11141, 12597, 12855, 13260, 14569, 14820, 16283, 16796, 17140, 19380, 20995, 22282, 25194, 25710, 29138, 32566, 33423, 41990, 43707, 44564, 48849, 50388, 51420, 55705, 58276, 62985, 65132, 66846, 72845, 81415, 83980, 87414, 97698, 111410, 125970, 133692, 145690, 162830, 167115, 174828, 189397, 195396, 211679, 218535, 222820, 244245, 251940, 276811, 291380, 325660, 334230, 378794, 423358, 437070, 488490, 553622, 568191, 635037, 668460, 757588, 830433, 846716, 874140, 946985, 976980, 1058395, 1107244, 1136382, 1270074, 1384055, 1660866, 1893970, 2116790, 2272764, 2540148, 2768110, 2840955, 3175185, 3321732, 3598543, 3787940, 4152165, 4233580, 5536220, 5681910, 6350370, 7197086, 8304330, 10795629, 11363820, 12700740, 14394172, 16608660, 17992715, 21591258, 35985430, 43182516, 53978145, 71970860, 107956290, 215912580]

約数ペア:

[(1, 215912580), (2, 107956290), (3, 71970860), (4, 53978145), (5, 43182516), (6, 35985430), (10, 21591258), (12, 17992715), (13, 16608660), (15, 14394172), (17, 12700740), (19, 11363820), (20, 10795629), (26, 8304330), (30, 7197086), (34, 6350370), (38, 5681910), (39, 5536220), (51, 4233580), (52, 4152165), (57, 3787940), (60, 3598543), (65, 3321732), (68, 3175185), (76, 2840955), (78, 2768110), (85, 2540148), (95, 2272764), (102, 2116790), (114, 1893970), (130, 1660866), (156, 1384055), (170, 1270074), (190, 1136382), (195, 1107244), (204, 1058395), (221, 976980), (228, 946985), (247, 874140), (255, 846716), (260, 830433), (285, 757588), (323, 668460), (340, 635037), (380, 568191), (390, 553622), (442, 488490), (494, 437070), (510, 423358), (570, 378794), (646, 334230), (663, 325660), (741, 291380), (780, 276811), (857, 251940), (884, 244245), (969, 222820), (988, 218535), (1020, 211679), (1105, 195396), (1140, 189397), (1235, 174828), (1292, 167115), (1326, 162830), (1482, 145690), (1615, 133692), (1714, 125970), (1938, 111410), (2210, 97698), (2470, 87414), (2571, 83980), (2652, 81415), (2964, 72845), (3230, 66846), (3315, 65132), (3428, 62985), (3705, 58276), (3876, 55705), (4199, 51420), (4285, 50388), (4420, 48849), (4845, 44564), (4940, 43707), (5142, 41990), (6460, 33423), (6630, 32566), (7410, 29138), (8398, 25710), (8570, 25194), (9690, 22282), (10284, 20995), (11141, 19380), (12597, 17140), (12855, 16796), (13260, 16283), (14569, 14820)]