189457740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1852

約数の個数: 144

約数和(自身を含む): 624798720

約数和(自身を除く): 435340980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1787, 1860, 2356, 2790, 2945, 3420, 3534, 3574, 5301, 5361, 5580, 5890, 7068, 7148, 8835, 8935, 10602, 10722, 11780, 16083, 17670, 17870, 21204, 21444, 26505, 26805, 32166, 33953, 35340, 35740, 53010, 53610, 55397, 64332, 67906, 80415, 101859, 106020, 107220, 110794, 135812, 160830, 166191, 169765, 203718, 221588, 276985, 305577, 321660, 332382, 339530, 407436, 498573, 509295, 553970, 611154, 664764, 679060, 830955, 997146, 1018590, 1052543, 1107940, 1222308, 1527885, 1661910, 1994292, 2037180, 2105086, 2492865, 3055770, 3157629, 3323820, 4210172, 4985730, 5262715, 6111540, 6315258, 9472887, 9971460, 10525430, 12630516, 15788145, 18945774, 21050860, 31576290, 37891548, 47364435, 63152580, 94728870, 189457740]

約数ペア:

[(1, 189457740), (2, 94728870), (3, 63152580), (4, 47364435), (5, 37891548), (6, 31576290), (9, 21050860), (10, 18945774), (12, 15788145), (15, 12630516), (18, 10525430), (19, 9971460), (20, 9472887), (30, 6315258), (31, 6111540), (36, 5262715), (38, 4985730), (45, 4210172), (57, 3323820), (60, 3157629), (62, 3055770), (76, 2492865), (90, 2105086), (93, 2037180), (95, 1994292), (114, 1661910), (124, 1527885), (155, 1222308), (171, 1107940), (180, 1052543), (186, 1018590), (190, 997146), (228, 830955), (279, 679060), (285, 664764), (310, 611154), (342, 553970), (372, 509295), (380, 498573), (465, 407436), (558, 339530), (570, 332382), (589, 321660), (620, 305577), (684, 276985), (855, 221588), (930, 203718), (1116, 169765), (1140, 166191), (1178, 160830), (1395, 135812), (1710, 110794), (1767, 107220), (1787, 106020), (1860, 101859), (2356, 80415), (2790, 67906), (2945, 64332), (3420, 55397), (3534, 53610), (3574, 53010), (5301, 35740), (5361, 35340), (5580, 33953), (5890, 32166), (7068, 26805), (7148, 26505), (8835, 21444), (8935, 21204), (10602, 17870), (10722, 17670), (11780, 16083)]