159749200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 120

約数和(自身を含む): 427083776

約数和(自身を除く): 267334576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 991, 1040, 1240, 1300, 1550, 1612, 1982, 2015, 2480, 2600, 3100, 3224, 3964, 4030, 4955, 5200, 6200, 6448, 7928, 8060, 9910, 10075, 12400, 12883, 15856, 16120, 19820, 20150, 24775, 25766, 30721, 32240, 39640, 40300, 49550, 51532, 61442, 64415, 79280, 80600, 99100, 103064, 122884, 128830, 153605, 161200, 198200, 206128, 245768, 257660, 307210, 322075, 396400, 399373, 491536, 515320, 614420, 644150, 768025, 798746, 1030640, 1228840, 1288300, 1536050, 1597492, 1996865, 2457680, 2576600, 3072100, 3194984, 3993730, 5153200, 6144200, 6389968, 7987460, 9984325, 12288400, 15974920, 19968650, 31949840, 39937300, 79874600, 159749200]

約数ペア:

[(1, 159749200), (2, 79874600), (4, 39937300), (5, 31949840), (8, 19968650), (10, 15974920), (13, 12288400), (16, 9984325), (20, 7987460), (25, 6389968), (26, 6144200), (31, 5153200), (40, 3993730), (50, 3194984), (52, 3072100), (62, 2576600), (65, 2457680), (80, 1996865), (100, 1597492), (104, 1536050), (124, 1288300), (130, 1228840), (155, 1030640), (200, 798746), (208, 768025), (248, 644150), (260, 614420), (310, 515320), (325, 491536), (400, 399373), (403, 396400), (496, 322075), (520, 307210), (620, 257660), (650, 245768), (775, 206128), (806, 198200), (991, 161200), (1040, 153605), (1240, 128830), (1300, 122884), (1550, 103064), (1612, 99100), (1982, 80600), (2015, 79280), (2480, 64415), (2600, 61442), (3100, 51532), (3224, 49550), (3964, 40300), (4030, 39640), (4955, 32240), (5200, 30721), (6200, 25766), (6448, 24775), (7928, 20150), (8060, 19820), (9910, 16120), (10075, 15856), (12400, 12883)]