212638920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4397}}^1$

素因数の和:4455

約数の個数: 128

約数和(自身を含む): 709309440

約数和(自身を除く): 496670520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4397, 4836, 6045, 8060, 8794, 9672, 12090, 13191, 16120, 17588, 21985, 24180, 26382, 35176, 43970, 48360, 52764, 57161, 65955, 87940, 105528, 114322, 131910, 136307, 171483, 175880, 228644, 263820, 272614, 285805, 342966, 408921, 457288, 527640, 545228, 571610, 681535, 685932, 817842, 857415, 1090456, 1143220, 1363070, 1371864, 1635684, 1714830, 1771991, 2044605, 2286440, 2726140, 3271368, 3429660, 3543982, 4089210, 5315973, 5452280, 6859320, 7087964, 8178420, 8859955, 10631946, 14175928, 16356840, 17719910, 21263892, 26579865, 35439820, 42527784, 53159730, 70879640, 106319460, 212638920]

約数ペア:

[(1, 212638920), (2, 106319460), (3, 70879640), (4, 53159730), (5, 42527784), (6, 35439820), (8, 26579865), (10, 21263892), (12, 17719910), (13, 16356840), (15, 14175928), (20, 10631946), (24, 8859955), (26, 8178420), (30, 7087964), (31, 6859320), (39, 5452280), (40, 5315973), (52, 4089210), (60, 3543982), (62, 3429660), (65, 3271368), (78, 2726140), (93, 2286440), (104, 2044605), (120, 1771991), (124, 1714830), (130, 1635684), (155, 1371864), (156, 1363070), (186, 1143220), (195, 1090456), (248, 857415), (260, 817842), (310, 685932), (312, 681535), (372, 571610), (390, 545228), (403, 527640), (465, 457288), (520, 408921), (620, 342966), (744, 285805), (780, 272614), (806, 263820), (930, 228644), (1209, 175880), (1240, 171483), (1560, 136307), (1612, 131910), (1860, 114322), (2015, 105528), (2418, 87940), (3224, 65955), (3720, 57161), (4030, 52764), (4397, 48360), (4836, 43970), (6045, 35176), (8060, 26382), (8794, 24180), (9672, 21985), (12090, 17588), (13191, 16120)]