179402940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52457}}^1$

素因数の和:52491

約数の個数: 72

約数和(自身を含む): 572841360

約数和(自身を除く): 393438420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 52457, 104914, 157371, 209828, 262285, 314742, 472113, 524570, 629484, 786855, 944226, 996683, 1049140, 1573710, 1888452, 1993366, 2360565, 2990049, 3147420, 3986732, 4721130, 4983415, 5980098, 8970147, 9442260, 9966830, 11960196, 14950245, 17940294, 19933660, 29900490, 35880588, 44850735, 59800980, 89701470, 179402940]

約数ペア:

[(1, 179402940), (2, 89701470), (3, 59800980), (4, 44850735), (5, 35880588), (6, 29900490), (9, 19933660), (10, 17940294), (12, 14950245), (15, 11960196), (18, 9966830), (19, 9442260), (20, 8970147), (30, 5980098), (36, 4983415), (38, 4721130), (45, 3986732), (57, 3147420), (60, 2990049), (76, 2360565), (90, 1993366), (95, 1888452), (114, 1573710), (171, 1049140), (180, 996683), (190, 944226), (228, 786855), (285, 629484), (342, 524570), (380, 472113), (570, 314742), (684, 262285), (855, 209828), (1140, 157371), (1710, 104914), (3420, 52457)]