320598180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:415

約数の個数: 216

約数和(自身を含む): 1143297792

約数和(自身を除く): 822699612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 163, 180, 196, 210, 223, 245, 252, 294, 315, 326, 420, 441, 446, 489, 490, 588, 630, 652, 669, 735, 815, 882, 892, 978, 980, 1115, 1141, 1260, 1338, 1467, 1470, 1561, 1630, 1764, 1956, 2007, 2205, 2230, 2282, 2445, 2676, 2934, 2940, 3122, 3260, 3345, 3423, 4014, 4410, 4460, 4564, 4683, 4890, 5705, 5868, 6244, 6690, 6846, 7335, 7805, 7987, 8028, 8820, 9366, 9780, 10035, 10269, 10927, 11410, 13380, 13692, 14049, 14670, 15610, 15974, 17115, 18732, 20070, 20538, 21854, 22820, 23415, 23961, 28098, 29340, 31220, 31948, 32781, 34230, 36349, 39935, 40140, 41076, 43708, 46830, 47922, 51345, 54635, 56196, 65562, 68460, 70245, 71883, 72698, 79870, 93660, 95844, 98343, 102690, 109047, 109270, 119805, 131124, 140490, 143766, 145396, 159740, 163905, 181745, 196686, 205380, 218094, 218540, 239610, 254443, 280980, 287532, 327141, 327810, 359415, 363490, 393372, 436188, 479220, 491715, 508886, 545235, 654282, 655620, 718830, 726980, 763329, 983430, 1017772, 1090470, 1272215, 1308564, 1437660, 1526658, 1635705, 1781101, 1966860, 2180940, 2289987, 2544430, 3053316, 3271410, 3562202, 3816645, 4579974, 5088860, 5343303, 6542820, 7124404, 7633290, 8905505, 9159948, 10686606, 11449935, 15266580, 16029909, 17811010, 21373212, 22899870, 26716515, 32059818, 35622020, 45799740, 53433030, 64119636, 80149545, 106866060, 160299090, 320598180]

約数ペア:

[(1, 320598180), (2, 160299090), (3, 106866060), (4, 80149545), (5, 64119636), (6, 53433030), (7, 45799740), (9, 35622020), (10, 32059818), (12, 26716515), (14, 22899870), (15, 21373212), (18, 17811010), (20, 16029909), (21, 15266580), (28, 11449935), (30, 10686606), (35, 9159948), (36, 8905505), (42, 7633290), (45, 7124404), (49, 6542820), (60, 5343303), (63, 5088860), (70, 4579974), (84, 3816645), (90, 3562202), (98, 3271410), (105, 3053316), (126, 2544430), (140, 2289987), (147, 2180940), (163, 1966860), (180, 1781101), (196, 1635705), (210, 1526658), (223, 1437660), (245, 1308564), (252, 1272215), (294, 1090470), (315, 1017772), (326, 983430), (420, 763329), (441, 726980), (446, 718830), (489, 655620), (490, 654282), (588, 545235), (630, 508886), (652, 491715), (669, 479220), (735, 436188), (815, 393372), (882, 363490), (892, 359415), (978, 327810), (980, 327141), (1115, 287532), (1141, 280980), (1260, 254443), (1338, 239610), (1467, 218540), (1470, 218094), (1561, 205380), (1630, 196686), (1764, 181745), (1956, 163905), (2007, 159740), (2205, 145396), (2230, 143766), (2282, 140490), (2445, 131124), (2676, 119805), (2934, 109270), (2940, 109047), (3122, 102690), (3260, 98343), (3345, 95844), (3423, 93660), (4014, 79870), (4410, 72698), (4460, 71883), (4564, 70245), (4683, 68460), (4890, 65562), (5705, 56196), (5868, 54635), (6244, 51345), (6690, 47922), (6846, 46830), (7335, 43708), (7805, 41076), (7987, 40140), (8028, 39935), (8820, 36349), (9366, 34230), (9780, 32781), (10035, 31948), (10269, 31220), (10927, 29340), (11410, 28098), (13380, 23961), (13692, 23415), (14049, 22820), (14670, 21854), (15610, 20538), (15974, 20070), (17115, 18732)]