68997968

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 163382400

約数和(自身を除く): 94384432

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 79, 104, 136, 152, 158, 169, 208, 221, 247, 272, 304, 316, 323, 338, 442, 494, 632, 646, 676, 884, 988, 1027, 1264, 1292, 1343, 1352, 1501, 1768, 1976, 2054, 2584, 2686, 2704, 2873, 3002, 3211, 3536, 3952, 4108, 4199, 5168, 5372, 5746, 6004, 6422, 8216, 8398, 10744, 11492, 12008, 12844, 13351, 16432, 16796, 17459, 19513, 21488, 22984, 24016, 25517, 25688, 26702, 33592, 34918, 39026, 45968, 51034, 51376, 53404, 54587, 67184, 69836, 78052, 102068, 106808, 109174, 139672, 156104, 204136, 213616, 218348, 226967, 253669, 279344, 312208, 331721, 408272, 436696, 453934, 507338, 663442, 873392, 907868, 1014676, 1326884, 1815736, 2029352, 2653768, 3631472, 4058704, 4312373, 5307536, 8624746, 17249492, 34498984, 68997968]

約数ペア:

[(1, 68997968), (2, 34498984), (4, 17249492), (8, 8624746), (13, 5307536), (16, 4312373), (17, 4058704), (19, 3631472), (26, 2653768), (34, 2029352), (38, 1815736), (52, 1326884), (68, 1014676), (76, 907868), (79, 873392), (104, 663442), (136, 507338), (152, 453934), (158, 436696), (169, 408272), (208, 331721), (221, 312208), (247, 279344), (272, 253669), (304, 226967), (316, 218348), (323, 213616), (338, 204136), (442, 156104), (494, 139672), (632, 109174), (646, 106808), (676, 102068), (884, 78052), (988, 69836), (1027, 67184), (1264, 54587), (1292, 53404), (1343, 51376), (1352, 51034), (1501, 45968), (1768, 39026), (1976, 34918), (2054, 33592), (2584, 26702), (2686, 25688), (2704, 25517), (2873, 24016), (3002, 22984), (3211, 21488), (3536, 19513), (3952, 17459), (4108, 16796), (4199, 16432), (5168, 13351), (5372, 12844), (5746, 12008), (6004, 11492), (6422, 10744), (8216, 8398)]