78487500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 288

約数和(自身を含む): 293981184

約数和(自身を除く): 215493684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 25, 26, 28, 30, 35, 39, 42, 46, 50, 52, 60, 65, 69, 70, 75, 78, 84, 91, 92, 100, 105, 115, 125, 130, 138, 140, 150, 156, 161, 175, 182, 195, 210, 230, 250, 260, 273, 276, 299, 300, 322, 325, 345, 350, 364, 375, 390, 420, 455, 460, 483, 500, 525, 546, 575, 598, 625, 644, 650, 690, 700, 750, 780, 805, 875, 897, 910, 966, 975, 1050, 1092, 1150, 1196, 1250, 1300, 1365, 1380, 1495, 1500, 1610, 1625, 1725, 1750, 1794, 1820, 1875, 1932, 1950, 2093, 2100, 2275, 2300, 2415, 2500, 2625, 2730, 2875, 2990, 3125, 3220, 3250, 3450, 3500, 3588, 3750, 3900, 4025, 4186, 4375, 4485, 4550, 4830, 4875, 5250, 5460, 5750, 5980, 6250, 6279, 6500, 6825, 6900, 7475, 7500, 8050, 8125, 8372, 8625, 8750, 8970, 9100, 9375, 9660, 9750, 10465, 10500, 11375, 11500, 12075, 12500, 12558, 13125, 13650, 14375, 14950, 16100, 16250, 17250, 17500, 17940, 18750, 19500, 20125, 20930, 21875, 22425, 22750, 24150, 24375, 25116, 26250, 27300, 28750, 29900, 31395, 32500, 34125, 34500, 37375, 37500, 40250, 40625, 41860, 43125, 43750, 44850, 45500, 48300, 48750, 52325, 52500, 56875, 57500, 60375, 62790, 65625, 68250, 71875, 74750, 80500, 81250, 86250, 87500, 89700, 97500, 100625, 104650, 112125, 113750, 120750, 121875, 125580, 131250, 136500, 143750, 149500, 156975, 162500, 170625, 172500, 186875, 201250, 209300, 215625, 224250, 227500, 241500, 243750, 261625, 262500, 284375, 287500, 301875, 313950, 341250, 373750, 402500, 431250, 448500, 487500, 503125, 523250, 560625, 568750, 603750, 627900, 682500, 747500, 784875, 853125, 862500, 934375, 1006250, 1046500, 1121250, 1137500, 1207500, 1308125, 1509375, 1569750, 1706250, 1868750, 2012500, 2242500, 2616250, 2803125, 3018750, 3139500, 3412500, 3737500, 3924375, 5232500, 5606250, 6037500, 6540625, 7848750, 11212500, 13081250, 15697500, 19621875, 26162500, 39243750, 78487500]

約数ペア:

[(1, 78487500), (2, 39243750), (3, 26162500), (4, 19621875), (5, 15697500), (6, 13081250), (7, 11212500), (10, 7848750), (12, 6540625), (13, 6037500), (14, 5606250), (15, 5232500), (20, 3924375), (21, 3737500), (23, 3412500), (25, 3139500), (26, 3018750), (28, 2803125), (30, 2616250), (35, 2242500), (39, 2012500), (42, 1868750), (46, 1706250), (50, 1569750), (52, 1509375), (60, 1308125), (65, 1207500), (69, 1137500), (70, 1121250), (75, 1046500), (78, 1006250), (84, 934375), (91, 862500), (92, 853125), (100, 784875), (105, 747500), (115, 682500), (125, 627900), (130, 603750), (138, 568750), (140, 560625), (150, 523250), (156, 503125), (161, 487500), (175, 448500), (182, 431250), (195, 402500), (210, 373750), (230, 341250), (250, 313950), (260, 301875), (273, 287500), (276, 284375), (299, 262500), (300, 261625), (322, 243750), (325, 241500), (345, 227500), (350, 224250), (364, 215625), (375, 209300), (390, 201250), (420, 186875), (455, 172500), (460, 170625), (483, 162500), (500, 156975), (525, 149500), (546, 143750), (575, 136500), (598, 131250), (625, 125580), (644, 121875), (650, 120750), (690, 113750), (700, 112125), (750, 104650), (780, 100625), (805, 97500), (875, 89700), (897, 87500), (910, 86250), (966, 81250), (975, 80500), (1050, 74750), (1092, 71875), (1150, 68250), (1196, 65625), (1250, 62790), (1300, 60375), (1365, 57500), (1380, 56875), (1495, 52500), (1500, 52325), (1610, 48750), (1625, 48300), (1725, 45500), (1750, 44850), (1794, 43750), (1820, 43125), (1875, 41860), (1932, 40625), (1950, 40250), (2093, 37500), (2100, 37375), (2275, 34500), (2300, 34125), (2415, 32500), (2500, 31395), (2625, 29900), (2730, 28750), (2875, 27300), (2990, 26250), (3125, 25116), (3220, 24375), (3250, 24150), (3450, 22750), (3500, 22425), (3588, 21875), (3750, 20930), (3900, 20125), (4025, 19500), (4186, 18750), (4375, 17940), (4485, 17500), (4550, 17250), (4830, 16250), (4875, 16100), (5250, 14950), (5460, 14375), (5750, 13650), (5980, 13125), (6250, 12558), (6279, 12500), (6500, 12075), (6825, 11500), (6900, 11375), (7475, 10500), (7500, 10465), (8050, 9750), (8125, 9660), (8372, 9375), (8625, 9100), (8750, 8970)]