23187320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 61871040

約数和(自身を除く): 38683720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 61, 65, 68, 85, 86, 104, 122, 130, 136, 170, 172, 215, 221, 244, 260, 305, 340, 344, 430, 442, 488, 520, 559, 610, 680, 731, 793, 860, 884, 1037, 1105, 1118, 1220, 1462, 1586, 1720, 1768, 2074, 2210, 2236, 2440, 2623, 2795, 2924, 3172, 3655, 3965, 4148, 4420, 4472, 5185, 5246, 5590, 5848, 6344, 7310, 7930, 8296, 8840, 9503, 10370, 10492, 11180, 13115, 13481, 14620, 15860, 19006, 20740, 20984, 22360, 26230, 26962, 29240, 31720, 34099, 38012, 41480, 44591, 47515, 52460, 53924, 67405, 68198, 76024, 89182, 95030, 104920, 107848, 134810, 136396, 170495, 178364, 190060, 222955, 269620, 272792, 340990, 356728, 380120, 445910, 539240, 579683, 681980, 891820, 1159366, 1363960, 1783640, 2318732, 2898415, 4637464, 5796830, 11593660, 23187320]

約数ペア:

[(1, 23187320), (2, 11593660), (4, 5796830), (5, 4637464), (8, 2898415), (10, 2318732), (13, 1783640), (17, 1363960), (20, 1159366), (26, 891820), (34, 681980), (40, 579683), (43, 539240), (52, 445910), (61, 380120), (65, 356728), (68, 340990), (85, 272792), (86, 269620), (104, 222955), (122, 190060), (130, 178364), (136, 170495), (170, 136396), (172, 134810), (215, 107848), (221, 104920), (244, 95030), (260, 89182), (305, 76024), (340, 68198), (344, 67405), (430, 53924), (442, 52460), (488, 47515), (520, 44591), (559, 41480), (610, 38012), (680, 34099), (731, 31720), (793, 29240), (860, 26962), (884, 26230), (1037, 22360), (1105, 20984), (1118, 20740), (1220, 19006), (1462, 15860), (1586, 14620), (1720, 13481), (1768, 13115), (2074, 11180), (2210, 10492), (2236, 10370), (2440, 9503), (2623, 8840), (2795, 8296), (2924, 7930), (3172, 7310), (3655, 6344), (3965, 5848), (4148, 5590), (4420, 5246), (4472, 5185)]