2019938280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{823}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 6154686720

約数和(自身を除く): 4134748440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 181, 226, 339, 362, 452, 543, 565, 678, 724, 823, 904, 905, 1086, 1130, 1356, 1448, 1646, 1695, 1810, 2172, 2260, 2469, 2712, 2715, 3292, 3390, 3620, 4115, 4344, 4520, 4938, 5430, 6584, 6780, 7240, 8230, 9876, 10860, 12345, 13560, 16460, 19752, 20453, 21720, 24690, 32920, 40906, 49380, 61359, 81812, 92999, 98760, 102265, 122718, 148963, 163624, 185998, 204530, 245436, 278997, 297926, 306795, 371996, 409060, 446889, 464995, 490872, 557994, 595852, 613590, 743992, 744815, 818120, 893778, 929990, 1115988, 1191704, 1227180, 1394985, 1489630, 1787556, 1859980, 2231976, 2234445, 2454360, 2789970, 2979260, 3575112, 3719960, 4468890, 5579940, 5958520, 8937780, 11159880, 16832819, 17875560, 33665638, 50498457, 67331276, 84164095, 100996914, 134662552, 168328190, 201993828, 252492285, 336656380, 403987656, 504984570, 673312760, 1009969140, 2019938280]

約数ペア:

[(1, 2019938280), (2, 1009969140), (3, 673312760), (4, 504984570), (5, 403987656), (6, 336656380), (8, 252492285), (10, 201993828), (12, 168328190), (15, 134662552), (20, 100996914), (24, 84164095), (30, 67331276), (40, 50498457), (60, 33665638), (113, 17875560), (120, 16832819), (181, 11159880), (226, 8937780), (339, 5958520), (362, 5579940), (452, 4468890), (543, 3719960), (565, 3575112), (678, 2979260), (724, 2789970), (823, 2454360), (904, 2234445), (905, 2231976), (1086, 1859980), (1130, 1787556), (1356, 1489630), (1448, 1394985), (1646, 1227180), (1695, 1191704), (1810, 1115988), (2172, 929990), (2260, 893778), (2469, 818120), (2712, 744815), (2715, 743992), (3292, 613590), (3390, 595852), (3620, 557994), (4115, 490872), (4344, 464995), (4520, 446889), (4938, 409060), (5430, 371996), (6584, 306795), (6780, 297926), (7240, 278997), (8230, 245436), (9876, 204530), (10860, 185998), (12345, 163624), (13560, 148963), (16460, 122718), (19752, 102265), (20453, 98760), (21720, 92999), (24690, 81812), (32920, 61359), (40906, 49380)]