20851919400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{65203}}^1$

素因数の和:65276

約数の個数: 192

約数和(自身を含む): 71312310720

約数和(自身を除く): 50460391320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 41, 50, 52, 60, 65, 75, 78, 82, 100, 104, 120, 123, 130, 150, 156, 164, 195, 200, 205, 246, 260, 300, 312, 325, 328, 390, 410, 492, 520, 533, 600, 615, 650, 780, 820, 975, 984, 1025, 1066, 1230, 1300, 1560, 1599, 1640, 1950, 2050, 2132, 2460, 2600, 2665, 3075, 3198, 3900, 4100, 4264, 4920, 5330, 6150, 6396, 7800, 7995, 8200, 10660, 12300, 12792, 13325, 15990, 21320, 24600, 26650, 31980, 39975, 53300, 63960, 65203, 79950, 106600, 130406, 159900, 195609, 260812, 319800, 326015, 391218, 521624, 652030, 782436, 847639, 978045, 1304060, 1564872, 1630075, 1695278, 1956090, 2542917, 2608120, 2673323, 3260150, 3390556, 3912180, 4238195, 4890225, 5085834, 5346646, 6520300, 6781112, 7824360, 8019969, 8476390, 9780450, 10171668, 10693292, 12714585, 13040600, 13366615, 16039938, 16952780, 19560900, 20343336, 21190975, 21386584, 25429170, 26733230, 32079876, 33905560, 34753199, 39121800, 40099845, 42381950, 50858340, 53466460, 63572925, 64159752, 66833075, 69506398, 80199690, 84763900, 101716680, 104259597, 106932920, 127145850, 133666150, 139012796, 160399380, 169527800, 173765995, 200499225, 208519194, 254291700, 267332300, 278025592, 320798760, 347531990, 400998450, 417038388, 508583400, 521297985, 534664600, 695063980, 801996900, 834076776, 868829975, 1042595970, 1390127960, 1603993800, 1737659950, 2085191940, 2606489925, 3475319900, 4170383880, 5212979850, 6950639800, 10425959700, 20851919400]

約数ペア:

[(1, 20851919400), (2, 10425959700), (3, 6950639800), (4, 5212979850), (5, 4170383880), (6, 3475319900), (8, 2606489925), (10, 2085191940), (12, 1737659950), (13, 1603993800), (15, 1390127960), (20, 1042595970), (24, 868829975), (25, 834076776), (26, 801996900), (30, 695063980), (39, 534664600), (40, 521297985), (41, 508583400), (50, 417038388), (52, 400998450), (60, 347531990), (65, 320798760), (75, 278025592), (78, 267332300), (82, 254291700), (100, 208519194), (104, 200499225), (120, 173765995), (123, 169527800), (130, 160399380), (150, 139012796), (156, 133666150), (164, 127145850), (195, 106932920), (200, 104259597), (205, 101716680), (246, 84763900), (260, 80199690), (300, 69506398), (312, 66833075), (325, 64159752), (328, 63572925), (390, 53466460), (410, 50858340), (492, 42381950), (520, 40099845), (533, 39121800), (600, 34753199), (615, 33905560), (650, 32079876), (780, 26733230), (820, 25429170), (975, 21386584), (984, 21190975), (1025, 20343336), (1066, 19560900), (1230, 16952780), (1300, 16039938), (1560, 13366615), (1599, 13040600), (1640, 12714585), (1950, 10693292), (2050, 10171668), (2132, 9780450), (2460, 8476390), (2600, 8019969), (2665, 7824360), (3075, 6781112), (3198, 6520300), (3900, 5346646), (4100, 5085834), (4264, 4890225), (4920, 4238195), (5330, 3912180), (6150, 3390556), (6396, 3260150), (7800, 2673323), (7995, 2608120), (8200, 2542917), (10660, 1956090), (12300, 1695278), (12792, 1630075), (13325, 1564872), (15990, 1304060), (21320, 978045), (24600, 847639), (26650, 782436), (31980, 652030), (39975, 521624), (53300, 391218), (63960, 326015), (65203, 319800), (79950, 260812), (106600, 195609), (130406, 159900)]