72409140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 233356032

約数和(自身を除く): 160946892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 282, 317, 324, 405, 423, 470, 486, 540, 564, 634, 705, 810, 846, 940, 951, 972, 1215, 1268, 1269, 1410, 1585, 1620, 1692, 1902, 2115, 2430, 2538, 2820, 2853, 3170, 3804, 3807, 4230, 4755, 4860, 5076, 5706, 6340, 6345, 7614, 8460, 8559, 9510, 11412, 11421, 12690, 14265, 14899, 15228, 17118, 19020, 19035, 22842, 25380, 25677, 28530, 29798, 34236, 38070, 42795, 44697, 45684, 51354, 57060, 57105, 59596, 74495, 76140, 77031, 85590, 89394, 102708, 114210, 128385, 134091, 148990, 154062, 171180, 178788, 223485, 228420, 256770, 268182, 297980, 308124, 385155, 402273, 446970, 513540, 536364, 670455, 770310, 804546, 893940, 1206819, 1340910, 1540620, 1609092, 2011365, 2413638, 2681820, 3620457, 4022730, 4827276, 6034095, 7240914, 8045460, 12068190, 14481828, 18102285, 24136380, 36204570, 72409140]

約数ペア:

[(1, 72409140), (2, 36204570), (3, 24136380), (4, 18102285), (5, 14481828), (6, 12068190), (9, 8045460), (10, 7240914), (12, 6034095), (15, 4827276), (18, 4022730), (20, 3620457), (27, 2681820), (30, 2413638), (36, 2011365), (45, 1609092), (47, 1540620), (54, 1340910), (60, 1206819), (81, 893940), (90, 804546), (94, 770310), (108, 670455), (135, 536364), (141, 513540), (162, 446970), (180, 402273), (188, 385155), (235, 308124), (243, 297980), (270, 268182), (282, 256770), (317, 228420), (324, 223485), (405, 178788), (423, 171180), (470, 154062), (486, 148990), (540, 134091), (564, 128385), (634, 114210), (705, 102708), (810, 89394), (846, 85590), (940, 77031), (951, 76140), (972, 74495), (1215, 59596), (1268, 57105), (1269, 57060), (1410, 51354), (1585, 45684), (1620, 44697), (1692, 42795), (1902, 38070), (2115, 34236), (2430, 29798), (2538, 28530), (2820, 25677), (2853, 25380), (3170, 22842), (3804, 19035), (3807, 19020), (4230, 17118), (4755, 15228), (4860, 14899), (5076, 14265), (5706, 12690), (6340, 11421), (6345, 11412), (7614, 9510), (8460, 8559)]