15780944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 35057280

約数和(自身を除く): 19276336

約数列:

[1, 2, 4, 8, 16, 19, 23, 37, 38, 46, 61, 74, 76, 92, 122, 148, 152, 184, 244, 296, 304, 368, 437, 488, 592, 703, 851, 874, 976, 1159, 1403, 1406, 1702, 1748, 2257, 2318, 2806, 2812, 3404, 3496, 4514, 4636, 5612, 5624, 6808, 6992, 9028, 9272, 11224, 11248, 13616, 16169, 18056, 18544, 22448, 26657, 32338, 36112, 42883, 51911, 53314, 64676, 85766, 103822, 106628, 129352, 171532, 207644, 213256, 258704, 343064, 415288, 426512, 686128, 830576, 986309, 1972618, 3945236, 7890472, 15780944]

約数ペア:

[(1, 15780944), (2, 7890472), (4, 3945236), (8, 1972618), (16, 986309), (19, 830576), (23, 686128), (37, 426512), (38, 415288), (46, 343064), (61, 258704), (74, 213256), (76, 207644), (92, 171532), (122, 129352), (148, 106628), (152, 103822), (184, 85766), (244, 64676), (296, 53314), (304, 51911), (368, 42883), (437, 36112), (488, 32338), (592, 26657), (703, 22448), (851, 18544), (874, 18056), (976, 16169), (1159, 13616), (1403, 11248), (1406, 11224), (1702, 9272), (1748, 9028), (2257, 6992), (2318, 6808), (2806, 5624), (2812, 5612), (3404, 4636), (3496, 4514)]