320515860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2659}}^1$

素因数の和:2726

約数の個数: 144

約数和(自身を含む): 1069830720

約数和(自身を除く): 749314860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1148, 1230, 1435, 1470, 1722, 2009, 2460, 2659, 2870, 2940, 3444, 4018, 4305, 5318, 5740, 6027, 7977, 8036, 8610, 10045, 10636, 12054, 13295, 15954, 17220, 18613, 20090, 24108, 26590, 30135, 31908, 37226, 39885, 40180, 53180, 55839, 60270, 74452, 79770, 93065, 109019, 111678, 120540, 130291, 159540, 186130, 218038, 223356, 260582, 279195, 327057, 372260, 390873, 436076, 521164, 545095, 558390, 651455, 654114, 763133, 781746, 1090190, 1116780, 1302910, 1308228, 1526266, 1563492, 1635285, 1954365, 2180380, 2289399, 2605820, 3052532, 3270570, 3815665, 3908730, 4578798, 5341931, 6541140, 7631330, 7817460, 9157596, 10683862, 11446995, 15262660, 16025793, 21367724, 22893990, 26709655, 32051586, 45787980, 53419310, 64103172, 80128965, 106838620, 160257930, 320515860]

約数ペア:

[(1, 320515860), (2, 160257930), (3, 106838620), (4, 80128965), (5, 64103172), (6, 53419310), (7, 45787980), (10, 32051586), (12, 26709655), (14, 22893990), (15, 21367724), (20, 16025793), (21, 15262660), (28, 11446995), (30, 10683862), (35, 9157596), (41, 7817460), (42, 7631330), (49, 6541140), (60, 5341931), (70, 4578798), (82, 3908730), (84, 3815665), (98, 3270570), (105, 3052532), (123, 2605820), (140, 2289399), (147, 2180380), (164, 1954365), (196, 1635285), (205, 1563492), (210, 1526266), (245, 1308228), (246, 1302910), (287, 1116780), (294, 1090190), (410, 781746), (420, 763133), (490, 654114), (492, 651455), (574, 558390), (588, 545095), (615, 521164), (735, 436076), (820, 390873), (861, 372260), (980, 327057), (1148, 279195), (1230, 260582), (1435, 223356), (1470, 218038), (1722, 186130), (2009, 159540), (2460, 130291), (2659, 120540), (2870, 111678), (2940, 109019), (3444, 93065), (4018, 79770), (4305, 74452), (5318, 60270), (5740, 55839), (6027, 53180), (7977, 40180), (8036, 39885), (8610, 37226), (10045, 31908), (10636, 30135), (12054, 26590), (13295, 24108), (15954, 20090), (17220, 18613)]