155544220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2759

約数の個数: 72

約数和(自身を含む): 374646384

約数和(自身を除く): 219102164

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2707, 2873, 3380, 4420, 5414, 5746, 10828, 11492, 13535, 14365, 27070, 28730, 35191, 46019, 54140, 57460, 70382, 92038, 140764, 175955, 184076, 230095, 351910, 457483, 460190, 598247, 703820, 914966, 920380, 1196494, 1829932, 2287415, 2392988, 2991235, 4574830, 5982470, 7777211, 9149660, 11964940, 15554422, 31108844, 38886055, 77772110, 155544220]

約数ペア:

[(1, 155544220), (2, 77772110), (4, 38886055), (5, 31108844), (10, 15554422), (13, 11964940), (17, 9149660), (20, 7777211), (26, 5982470), (34, 4574830), (52, 2991235), (65, 2392988), (68, 2287415), (85, 1829932), (130, 1196494), (169, 920380), (170, 914966), (221, 703820), (260, 598247), (338, 460190), (340, 457483), (442, 351910), (676, 230095), (845, 184076), (884, 175955), (1105, 140764), (1690, 92038), (2210, 70382), (2707, 57460), (2873, 54140), (3380, 46019), (4420, 35191), (5414, 28730), (5746, 27070), (10828, 14365), (11492, 13535)]