641601660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 2119864320

約数和(自身を除く): 1478262660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 79, 84, 105, 122, 140, 158, 183, 210, 237, 244, 305, 316, 317, 366, 395, 420, 427, 474, 553, 610, 634, 732, 790, 854, 915, 948, 951, 1106, 1185, 1220, 1268, 1281, 1580, 1585, 1659, 1708, 1830, 1902, 2135, 2212, 2219, 2370, 2562, 2765, 3170, 3318, 3660, 3804, 4270, 4438, 4740, 4755, 4819, 5124, 5530, 6340, 6405, 6636, 6657, 8295, 8540, 8876, 9510, 9638, 11060, 11095, 12810, 13314, 14457, 16590, 19020, 19276, 19337, 22190, 24095, 25043, 25620, 26628, 28914, 33180, 33285, 33733, 38674, 44380, 48190, 50086, 57828, 58011, 66570, 67466, 72285, 75129, 77348, 96380, 96685, 100172, 101199, 116022, 125215, 133140, 134932, 135359, 144570, 150258, 168665, 175301, 193370, 202398, 232044, 250430, 270718, 289140, 290055, 300516, 337330, 350602, 375645, 386740, 404796, 406077, 500860, 505995, 525903, 541436, 580110, 674660, 676795, 701204, 751290, 812154, 876505, 1011990, 1051806, 1160220, 1353590, 1502580, 1527623, 1624308, 1753010, 2023980, 2030385, 2103612, 2629515, 2707180, 3055246, 3506020, 4060770, 4582869, 5259030, 6110492, 7638115, 8121540, 9165738, 10518060, 10693361, 15276230, 18331476, 21386722, 22914345, 30552460, 32080083, 42773444, 45828690, 53466805, 64160166, 91657380, 106933610, 128320332, 160400415, 213867220, 320800830, 641601660]

約数ペア:

[(1, 641601660), (2, 320800830), (3, 213867220), (4, 160400415), (5, 128320332), (6, 106933610), (7, 91657380), (10, 64160166), (12, 53466805), (14, 45828690), (15, 42773444), (20, 32080083), (21, 30552460), (28, 22914345), (30, 21386722), (35, 18331476), (42, 15276230), (60, 10693361), (61, 10518060), (70, 9165738), (79, 8121540), (84, 7638115), (105, 6110492), (122, 5259030), (140, 4582869), (158, 4060770), (183, 3506020), (210, 3055246), (237, 2707180), (244, 2629515), (305, 2103612), (316, 2030385), (317, 2023980), (366, 1753010), (395, 1624308), (420, 1527623), (427, 1502580), (474, 1353590), (553, 1160220), (610, 1051806), (634, 1011990), (732, 876505), (790, 812154), (854, 751290), (915, 701204), (948, 676795), (951, 674660), (1106, 580110), (1185, 541436), (1220, 525903), (1268, 505995), (1281, 500860), (1580, 406077), (1585, 404796), (1659, 386740), (1708, 375645), (1830, 350602), (1902, 337330), (2135, 300516), (2212, 290055), (2219, 289140), (2370, 270718), (2562, 250430), (2765, 232044), (3170, 202398), (3318, 193370), (3660, 175301), (3804, 168665), (4270, 150258), (4438, 144570), (4740, 135359), (4755, 134932), (4819, 133140), (5124, 125215), (5530, 116022), (6340, 101199), (6405, 100172), (6636, 96685), (6657, 96380), (8295, 77348), (8540, 75129), (8876, 72285), (9510, 67466), (9638, 66570), (11060, 58011), (11095, 57828), (12810, 50086), (13314, 48190), (14457, 44380), (16590, 38674), (19020, 33733), (19276, 33285), (19337, 33180), (22190, 28914), (24095, 26628), (25043, 25620)]