1488978920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1597}}^1$

素因数の和:1795

約数の個数: 128

約数和(自身を含む): 3962528640

約数和(自身を除く): 2473549720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 163, 220, 260, 286, 326, 440, 520, 572, 652, 715, 815, 1144, 1304, 1430, 1597, 1630, 1793, 2119, 2860, 3194, 3260, 3586, 4238, 5720, 6388, 6520, 7172, 7985, 8476, 8965, 10595, 12776, 14344, 15970, 16952, 17567, 17930, 20761, 21190, 23309, 31940, 35134, 35860, 41522, 42380, 46618, 63880, 70268, 71720, 83044, 84760, 87835, 93236, 103805, 116545, 140536, 166088, 175670, 186472, 207610, 228371, 233090, 260311, 351340, 415220, 456742, 466180, 520622, 702680, 830440, 913484, 932360, 1041244, 1141855, 1301555, 1826968, 2082488, 2283710, 2603110, 2863421, 3384043, 4567420, 5206220, 5726842, 6768086, 9134840, 10412440, 11453684, 13536172, 14317105, 16920215, 22907368, 27072344, 28634210, 33840430, 37224473, 57268420, 67680860, 74448946, 114536840, 135361720, 148897892, 186122365, 297795784, 372244730, 744489460, 1488978920]

約数ペア:

[(1, 1488978920), (2, 744489460), (4, 372244730), (5, 297795784), (8, 186122365), (10, 148897892), (11, 135361720), (13, 114536840), (20, 74448946), (22, 67680860), (26, 57268420), (40, 37224473), (44, 33840430), (52, 28634210), (55, 27072344), (65, 22907368), (88, 16920215), (104, 14317105), (110, 13536172), (130, 11453684), (143, 10412440), (163, 9134840), (220, 6768086), (260, 5726842), (286, 5206220), (326, 4567420), (440, 3384043), (520, 2863421), (572, 2603110), (652, 2283710), (715, 2082488), (815, 1826968), (1144, 1301555), (1304, 1141855), (1430, 1041244), (1597, 932360), (1630, 913484), (1793, 830440), (2119, 702680), (2860, 520622), (3194, 466180), (3260, 456742), (3586, 415220), (4238, 351340), (5720, 260311), (6388, 233090), (6520, 228371), (7172, 207610), (7985, 186472), (8476, 175670), (8965, 166088), (10595, 140536), (12776, 116545), (14344, 103805), (15970, 93236), (16952, 87835), (17567, 84760), (17930, 83044), (20761, 71720), (21190, 70268), (23309, 63880), (31940, 46618), (35134, 42380), (35860, 41522)]