720564156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{7297}}^1$

素因数の和:7531

約数の個数: 72

約数和(自身を含む): 1971102224

約数和(自身を除く): 1250538068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 422, 468, 633, 844, 1266, 1899, 2532, 2743, 3798, 5486, 7297, 7596, 8229, 10972, 14594, 16458, 21891, 24687, 29188, 32916, 43782, 49374, 65673, 87564, 94861, 98748, 131346, 189722, 262692, 284583, 379444, 569166, 853749, 1138332, 1539667, 1707498, 3079334, 3414996, 4619001, 6158668, 9238002, 13857003, 18476004, 20015671, 27714006, 40031342, 55428012, 60047013, 80062684, 120094026, 180141039, 240188052, 360282078, 720564156]

約数ペア:

[(1, 720564156), (2, 360282078), (3, 240188052), (4, 180141039), (6, 120094026), (9, 80062684), (12, 60047013), (13, 55428012), (18, 40031342), (26, 27714006), (36, 20015671), (39, 18476004), (52, 13857003), (78, 9238002), (117, 6158668), (156, 4619001), (211, 3414996), (234, 3079334), (422, 1707498), (468, 1539667), (633, 1138332), (844, 853749), (1266, 569166), (1899, 379444), (2532, 284583), (2743, 262692), (3798, 189722), (5486, 131346), (7297, 98748), (7596, 94861), (8229, 87564), (10972, 65673), (14594, 49374), (16458, 43782), (21891, 32916), (24687, 29188)]