28421730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 77995008

約数和(自身を除く): 49573278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 61, 62, 90, 93, 122, 155, 167, 183, 186, 279, 305, 310, 334, 366, 465, 501, 549, 558, 610, 835, 915, 930, 1002, 1098, 1395, 1503, 1670, 1830, 1891, 2505, 2745, 2790, 3006, 3782, 5010, 5177, 5490, 5673, 7515, 9455, 10187, 10354, 11346, 15030, 15531, 17019, 18910, 20374, 25885, 28365, 30561, 31062, 34038, 46593, 50935, 51770, 56730, 61122, 77655, 85095, 91683, 93186, 101870, 152805, 155310, 170190, 183366, 232965, 305610, 315797, 458415, 465930, 631594, 916830, 947391, 1578985, 1894782, 2842173, 3157970, 4736955, 5684346, 9473910, 14210865, 28421730]

約数ペア:

[(1, 28421730), (2, 14210865), (3, 9473910), (5, 5684346), (6, 4736955), (9, 3157970), (10, 2842173), (15, 1894782), (18, 1578985), (30, 947391), (31, 916830), (45, 631594), (61, 465930), (62, 458415), (90, 315797), (93, 305610), (122, 232965), (155, 183366), (167, 170190), (183, 155310), (186, 152805), (279, 101870), (305, 93186), (310, 91683), (334, 85095), (366, 77655), (465, 61122), (501, 56730), (549, 51770), (558, 50935), (610, 46593), (835, 34038), (915, 31062), (930, 30561), (1002, 28365), (1098, 25885), (1395, 20374), (1503, 18910), (1670, 17019), (1830, 15531), (1891, 15030), (2505, 11346), (2745, 10354), (2790, 10187), (3006, 9455), (3782, 7515), (5010, 5673), (5177, 5490)]