72491536

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 171551520

約数和(自身を除く): 99059984

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 83, 104, 136, 152, 166, 169, 208, 221, 247, 272, 304, 323, 332, 338, 442, 494, 646, 664, 676, 884, 988, 1079, 1292, 1328, 1352, 1411, 1577, 1768, 1976, 2158, 2584, 2704, 2822, 2873, 3154, 3211, 3536, 3952, 4199, 4316, 5168, 5644, 5746, 6308, 6422, 8398, 8632, 11288, 11492, 12616, 12844, 14027, 16796, 17264, 18343, 20501, 22576, 22984, 25232, 25688, 26809, 28054, 33592, 36686, 41002, 45968, 51376, 53618, 54587, 56108, 67184, 73372, 82004, 107236, 109174, 112216, 146744, 164008, 214472, 218348, 224432, 238459, 266513, 293488, 328016, 348517, 428944, 436696, 476918, 533026, 697034, 873392, 953836, 1066052, 1394068, 1907672, 2132104, 2788136, 3815344, 4264208, 4530721, 5576272, 9061442, 18122884, 36245768, 72491536]

約数ペア:

[(1, 72491536), (2, 36245768), (4, 18122884), (8, 9061442), (13, 5576272), (16, 4530721), (17, 4264208), (19, 3815344), (26, 2788136), (34, 2132104), (38, 1907672), (52, 1394068), (68, 1066052), (76, 953836), (83, 873392), (104, 697034), (136, 533026), (152, 476918), (166, 436696), (169, 428944), (208, 348517), (221, 328016), (247, 293488), (272, 266513), (304, 238459), (323, 224432), (332, 218348), (338, 214472), (442, 164008), (494, 146744), (646, 112216), (664, 109174), (676, 107236), (884, 82004), (988, 73372), (1079, 67184), (1292, 56108), (1328, 54587), (1352, 53618), (1411, 51376), (1577, 45968), (1768, 41002), (1976, 36686), (2158, 33592), (2584, 28054), (2704, 26809), (2822, 25688), (2873, 25232), (3154, 22984), (3211, 22576), (3536, 20501), (3952, 18343), (4199, 17264), (4316, 16796), (5168, 14027), (5644, 12844), (5746, 12616), (6308, 11492), (6422, 11288), (8398, 8632)]