12225720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 41912640

約数和(自身を除く): 29686920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 461, 510, 520, 663, 680, 780, 884, 922, 1020, 1105, 1326, 1383, 1560, 1768, 1844, 2040, 2210, 2305, 2652, 2766, 3315, 3688, 4420, 4610, 5304, 5532, 5993, 6630, 6915, 7837, 8840, 9220, 11064, 11986, 13260, 13830, 15674, 17979, 18440, 23511, 23972, 26520, 27660, 29965, 31348, 35958, 39185, 47022, 47944, 55320, 59930, 62696, 71916, 78370, 89895, 94044, 101881, 117555, 119860, 143832, 156740, 179790, 188088, 203762, 235110, 239720, 305643, 313480, 359580, 407524, 470220, 509405, 611286, 719160, 815048, 940440, 1018810, 1222572, 1528215, 2037620, 2445144, 3056430, 4075240, 6112860, 12225720]

約数ペア:

[(1, 12225720), (2, 6112860), (3, 4075240), (4, 3056430), (5, 2445144), (6, 2037620), (8, 1528215), (10, 1222572), (12, 1018810), (13, 940440), (15, 815048), (17, 719160), (20, 611286), (24, 509405), (26, 470220), (30, 407524), (34, 359580), (39, 313480), (40, 305643), (51, 239720), (52, 235110), (60, 203762), (65, 188088), (68, 179790), (78, 156740), (85, 143832), (102, 119860), (104, 117555), (120, 101881), (130, 94044), (136, 89895), (156, 78370), (170, 71916), (195, 62696), (204, 59930), (221, 55320), (255, 47944), (260, 47022), (312, 39185), (340, 35958), (390, 31348), (408, 29965), (442, 27660), (461, 26520), (510, 23972), (520, 23511), (663, 18440), (680, 17979), (780, 15674), (884, 13830), (922, 13260), (1020, 11986), (1105, 11064), (1326, 9220), (1383, 8840), (1560, 7837), (1768, 6915), (1844, 6630), (2040, 5993), (2210, 5532), (2305, 5304), (2652, 4610), (2766, 4420), (3315, 3688)]