121230180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 108

約数和(自身を含む): 375924276

約数和(自身を除く): 254694096

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 181, 183, 244, 305, 362, 366, 543, 549, 610, 724, 732, 905, 915, 1086, 1098, 1220, 1629, 1810, 1830, 2172, 2196, 2715, 2745, 3258, 3620, 3660, 3721, 5430, 5490, 6516, 7442, 8145, 10860, 10980, 11041, 11163, 14884, 16290, 18605, 22082, 22326, 32580, 33123, 33489, 37210, 44164, 44652, 55205, 55815, 66246, 66978, 74420, 99369, 110410, 111630, 132492, 133956, 165615, 167445, 198738, 220820, 223260, 331230, 334890, 397476, 496845, 662460, 669780, 673501, 993690, 1347002, 1987380, 2020503, 2694004, 3367505, 4041006, 6061509, 6735010, 8082012, 10102515, 12123018, 13470020, 20205030, 24246036, 30307545, 40410060, 60615090, 121230180]

約数ペア:

[(1, 121230180), (2, 60615090), (3, 40410060), (4, 30307545), (5, 24246036), (6, 20205030), (9, 13470020), (10, 12123018), (12, 10102515), (15, 8082012), (18, 6735010), (20, 6061509), (30, 4041006), (36, 3367505), (45, 2694004), (60, 2020503), (61, 1987380), (90, 1347002), (122, 993690), (180, 673501), (181, 669780), (183, 662460), (244, 496845), (305, 397476), (362, 334890), (366, 331230), (543, 223260), (549, 220820), (610, 198738), (724, 167445), (732, 165615), (905, 133956), (915, 132492), (1086, 111630), (1098, 110410), (1220, 99369), (1629, 74420), (1810, 66978), (1830, 66246), (2172, 55815), (2196, 55205), (2715, 44652), (2745, 44164), (3258, 37210), (3620, 33489), (3660, 33123), (3721, 32580), (5430, 22326), (5490, 22082), (6516, 18605), (7442, 16290), (8145, 14884), (10860, 11163), (10980, 11041)]