80781948

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2166

約数の個数: 84

約数和(自身を含む): 228367048

約数和(自身を除く): 147585100

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, 729, 972, 1053, 1404, 1458, 2106, 2131, 2916, 3159, 4212, 4262, 6318, 6393, 8524, 9477, 12636, 12786, 18954, 19179, 25572, 27703, 37908, 38358, 55406, 57537, 76716, 83109, 110812, 115074, 166218, 172611, 230148, 249327, 332436, 345222, 498654, 517833, 690444, 747981, 997308, 1035666, 1495962, 1553499, 2071332, 2243943, 2991924, 3106998, 4487886, 6213996, 6731829, 8975772, 13463658, 20195487, 26927316, 40390974, 80781948]

約数ペア:

[(1, 80781948), (2, 40390974), (3, 26927316), (4, 20195487), (6, 13463658), (9, 8975772), (12, 6731829), (13, 6213996), (18, 4487886), (26, 3106998), (27, 2991924), (36, 2243943), (39, 2071332), (52, 1553499), (54, 1495962), (78, 1035666), (81, 997308), (108, 747981), (117, 690444), (156, 517833), (162, 498654), (234, 345222), (243, 332436), (324, 249327), (351, 230148), (468, 172611), (486, 166218), (702, 115074), (729, 110812), (972, 83109), (1053, 76716), (1404, 57537), (1458, 55406), (2106, 38358), (2131, 37908), (2916, 27703), (3159, 25572), (4212, 19179), (4262, 18954), (6318, 12786), (6393, 12636), (8524, 9477)]