43165720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 117028800

約数和(自身を除く): 73863080

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 257, 260, 323, 340, 380, 442, 494, 514, 520, 646, 680, 760, 884, 988, 1028, 1105, 1235, 1285, 1292, 1615, 1768, 1976, 2056, 2210, 2470, 2570, 2584, 3230, 3341, 4199, 4369, 4420, 4883, 4940, 5140, 6460, 6682, 8398, 8738, 8840, 9766, 9880, 10280, 12920, 13364, 16705, 16796, 17476, 19532, 20995, 21845, 24415, 26728, 33410, 33592, 34952, 39064, 41990, 43690, 48830, 56797, 63479, 66820, 83011, 83980, 87380, 97660, 113594, 126958, 133640, 166022, 167960, 174760, 195320, 227188, 253916, 283985, 317395, 332044, 415055, 454376, 507832, 567970, 634790, 664088, 830110, 1079143, 1135940, 1269580, 1660220, 2158286, 2271880, 2539160, 3320440, 4316572, 5395715, 8633144, 10791430, 21582860, 43165720]

約数ペア:

[(1, 43165720), (2, 21582860), (4, 10791430), (5, 8633144), (8, 5395715), (10, 4316572), (13, 3320440), (17, 2539160), (19, 2271880), (20, 2158286), (26, 1660220), (34, 1269580), (38, 1135940), (40, 1079143), (52, 830110), (65, 664088), (68, 634790), (76, 567970), (85, 507832), (95, 454376), (104, 415055), (130, 332044), (136, 317395), (152, 283985), (170, 253916), (190, 227188), (221, 195320), (247, 174760), (257, 167960), (260, 166022), (323, 133640), (340, 126958), (380, 113594), (442, 97660), (494, 87380), (514, 83980), (520, 83011), (646, 66820), (680, 63479), (760, 56797), (884, 48830), (988, 43690), (1028, 41990), (1105, 39064), (1235, 34952), (1285, 33592), (1292, 33410), (1615, 26728), (1768, 24415), (1976, 21845), (2056, 20995), (2210, 19532), (2470, 17476), (2570, 16796), (2584, 16705), (3230, 13364), (3341, 12920), (4199, 10280), (4369, 9880), (4420, 9766), (4883, 8840), (4940, 8738), (5140, 8398), (6460, 6682)]