1790771940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{140123}}^1$

素因数の和:140209

約数の個数: 72

約数和(自身を含む): 5508554688

約数和(自身を除く): 3717782748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 140123, 280246, 420369, 560492, 700615, 840738, 1261107, 1401230, 1681476, 2101845, 2522214, 2802460, 4203690, 5044428, 6305535, 8407380, 9948733, 12611070, 19897466, 25222140, 29846199, 39794932, 49743665, 59692398, 89538597, 99487330, 119384796, 149230995, 179077194, 198974660, 298461990, 358154388, 447692985, 596923980, 895385970, 1790771940]

約数ペア:

[(1, 1790771940), (2, 895385970), (3, 596923980), (4, 447692985), (5, 358154388), (6, 298461990), (9, 198974660), (10, 179077194), (12, 149230995), (15, 119384796), (18, 99487330), (20, 89538597), (30, 59692398), (36, 49743665), (45, 39794932), (60, 29846199), (71, 25222140), (90, 19897466), (142, 12611070), (180, 9948733), (213, 8407380), (284, 6305535), (355, 5044428), (426, 4203690), (639, 2802460), (710, 2522214), (852, 2101845), (1065, 1681476), (1278, 1401230), (1420, 1261107), (2130, 840738), (2556, 700615), (3195, 560492), (4260, 420369), (6390, 280246), (12780, 140123)]