320496540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58699}}^1$

素因数の和:58731

約数の個数: 96

約数和(自身を含む): 1104499200

約数和(自身を除く): 784002660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 58699, 117398, 176097, 234796, 293495, 352194, 410893, 586990, 704388, 763087, 821786, 880485, 1173980, 1232679, 1526174, 1643572, 1760970, 2054465, 2289261, 2465358, 3052348, 3521940, 3815435, 4108930, 4578522, 4930716, 5341609, 6163395, 7630870, 8217860, 9157044, 10683218, 11446305, 12326790, 15261740, 16024827, 21366436, 22892610, 24653580, 26708045, 32049654, 45785220, 53416090, 64099308, 80124135, 106832180, 160248270, 320496540]

約数ペア:

[(1, 320496540), (2, 160248270), (3, 106832180), (4, 80124135), (5, 64099308), (6, 53416090), (7, 45785220), (10, 32049654), (12, 26708045), (13, 24653580), (14, 22892610), (15, 21366436), (20, 16024827), (21, 15261740), (26, 12326790), (28, 11446305), (30, 10683218), (35, 9157044), (39, 8217860), (42, 7630870), (52, 6163395), (60, 5341609), (65, 4930716), (70, 4578522), (78, 4108930), (84, 3815435), (91, 3521940), (105, 3052348), (130, 2465358), (140, 2289261), (156, 2054465), (182, 1760970), (195, 1643572), (210, 1526174), (260, 1232679), (273, 1173980), (364, 880485), (390, 821786), (420, 763087), (455, 704388), (546, 586990), (780, 410893), (910, 352194), (1092, 293495), (1365, 234796), (1820, 176097), (2730, 117398), (5460, 58699)]