1780702980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103409}}^1$

素因数の和:103469

約数の個数: 96

約数和(自身を含む): 5837287680

約数和(自身を除く): 4056584700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 8610, 17220, 103409, 206818, 310227, 413636, 517045, 620454, 723863, 1034090, 1240908, 1447726, 1551135, 2068180, 2171589, 2895452, 3102270, 3619315, 4239769, 4343178, 6204540, 7238630, 8479538, 8686356, 10857945, 12719307, 14477260, 16959076, 21198845, 21715890, 25438614, 29678383, 42397690, 43431780, 50877228, 59356766, 63596535, 84795380, 89035149, 118713532, 127193070, 148391915, 178070298, 254386140, 296783830, 356140596, 445175745, 593567660, 890351490, 1780702980]

約数ペア:

[(1, 1780702980), (2, 890351490), (3, 593567660), (4, 445175745), (5, 356140596), (6, 296783830), (7, 254386140), (10, 178070298), (12, 148391915), (14, 127193070), (15, 118713532), (20, 89035149), (21, 84795380), (28, 63596535), (30, 59356766), (35, 50877228), (41, 43431780), (42, 42397690), (60, 29678383), (70, 25438614), (82, 21715890), (84, 21198845), (105, 16959076), (123, 14477260), (140, 12719307), (164, 10857945), (205, 8686356), (210, 8479538), (246, 7238630), (287, 6204540), (410, 4343178), (420, 4239769), (492, 3619315), (574, 3102270), (615, 2895452), (820, 2171589), (861, 2068180), (1148, 1551135), (1230, 1447726), (1435, 1240908), (1722, 1034090), (2460, 723863), (2870, 620454), (3444, 517045), (4305, 413636), (5740, 310227), (8610, 206818), (17220, 103409)]