86331440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 241859520

約数和(自身を除く): 155528080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 170, 190, 208, 221, 247, 257, 260, 272, 304, 323, 340, 380, 442, 494, 514, 520, 646, 680, 760, 884, 988, 1028, 1040, 1105, 1235, 1285, 1292, 1360, 1520, 1615, 1768, 1976, 2056, 2210, 2470, 2570, 2584, 3230, 3341, 3536, 3952, 4112, 4199, 4369, 4420, 4883, 4940, 5140, 5168, 6460, 6682, 8398, 8738, 8840, 9766, 9880, 10280, 12920, 13364, 16705, 16796, 17476, 17680, 19532, 19760, 20560, 20995, 21845, 24415, 25840, 26728, 33410, 33592, 34952, 39064, 41990, 43690, 48830, 53456, 56797, 63479, 66820, 67184, 69904, 78128, 83011, 83980, 87380, 97660, 113594, 126958, 133640, 166022, 167960, 174760, 195320, 227188, 253916, 267280, 283985, 317395, 332044, 335920, 349520, 390640, 415055, 454376, 507832, 567970, 634790, 664088, 830110, 908752, 1015664, 1079143, 1135940, 1269580, 1328176, 1660220, 2158286, 2271880, 2539160, 3320440, 4316572, 4543760, 5078320, 5395715, 6640880, 8633144, 10791430, 17266288, 21582860, 43165720, 86331440]

約数ペア:

[(1, 86331440), (2, 43165720), (4, 21582860), (5, 17266288), (8, 10791430), (10, 8633144), (13, 6640880), (16, 5395715), (17, 5078320), (19, 4543760), (20, 4316572), (26, 3320440), (34, 2539160), (38, 2271880), (40, 2158286), (52, 1660220), (65, 1328176), (68, 1269580), (76, 1135940), (80, 1079143), (85, 1015664), (95, 908752), (104, 830110), (130, 664088), (136, 634790), (152, 567970), (170, 507832), (190, 454376), (208, 415055), (221, 390640), (247, 349520), (257, 335920), (260, 332044), (272, 317395), (304, 283985), (323, 267280), (340, 253916), (380, 227188), (442, 195320), (494, 174760), (514, 167960), (520, 166022), (646, 133640), (680, 126958), (760, 113594), (884, 97660), (988, 87380), (1028, 83980), (1040, 83011), (1105, 78128), (1235, 69904), (1285, 67184), (1292, 66820), (1360, 63479), (1520, 56797), (1615, 53456), (1768, 48830), (1976, 43690), (2056, 41990), (2210, 39064), (2470, 34952), (2570, 33592), (2584, 33410), (3230, 26728), (3341, 25840), (3536, 24415), (3952, 21845), (4112, 20995), (4199, 20560), (4369, 19760), (4420, 19532), (4883, 17680), (4940, 17476), (5140, 16796), (5168, 16705), (6460, 13364), (6682, 12920), (8398, 10280), (8738, 9880), (8840, 9766)]