721604052

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{57107}}^1$

素因数の和:57139

約数の個数: 72

約数和(自身を含む): 2037156576

約数和(自身を除く): 1315552524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 57107, 114214, 171321, 228428, 342642, 513963, 685284, 742391, 1027926, 1484782, 1541889, 2055852, 2227173, 2969564, 3083778, 4454346, 4625667, 6167556, 6681519, 8908692, 9251334, 13363038, 13877001, 18502668, 20044557, 26726076, 27754002, 40089114, 55508004, 60133671, 80178228, 120267342, 180401013, 240534684, 360802026, 721604052]

約数ペア:

[(1, 721604052), (2, 360802026), (3, 240534684), (4, 180401013), (6, 120267342), (9, 80178228), (12, 60133671), (13, 55508004), (18, 40089114), (26, 27754002), (27, 26726076), (36, 20044557), (39, 18502668), (52, 13877001), (54, 13363038), (78, 9251334), (81, 8908692), (108, 6681519), (117, 6167556), (156, 4625667), (162, 4454346), (234, 3083778), (243, 2969564), (324, 2227173), (351, 2055852), (468, 1541889), (486, 1484782), (702, 1027926), (972, 742391), (1053, 685284), (1404, 513963), (2106, 342642), (3159, 228428), (4212, 171321), (6318, 114214), (12636, 57107)]