45120180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 149385600

約数和(自身を除く): 104265420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 149, 196, 206, 210, 245, 294, 298, 309, 412, 420, 447, 490, 515, 588, 596, 618, 721, 735, 745, 894, 980, 1030, 1043, 1236, 1442, 1470, 1490, 1545, 1788, 2060, 2086, 2163, 2235, 2884, 2940, 2980, 3090, 3129, 3605, 4172, 4326, 4470, 5047, 5215, 6180, 6258, 7210, 7301, 8652, 8940, 10094, 10430, 10815, 12516, 14420, 14602, 15141, 15347, 15645, 20188, 20860, 21630, 21903, 25235, 29204, 30282, 30694, 31290, 36505, 43260, 43806, 46041, 50470, 60564, 61388, 62580, 73010, 75705, 76735, 87612, 92082, 100940, 107429, 109515, 146020, 151410, 153470, 184164, 214858, 219030, 230205, 302820, 306940, 322287, 429716, 438060, 460410, 537145, 644574, 752003, 920820, 1074290, 1289148, 1504006, 1611435, 2148580, 2256009, 3008012, 3222870, 3760015, 4512018, 6445740, 7520030, 9024036, 11280045, 15040060, 22560090, 45120180]

約数ペア:

[(1, 45120180), (2, 22560090), (3, 15040060), (4, 11280045), (5, 9024036), (6, 7520030), (7, 6445740), (10, 4512018), (12, 3760015), (14, 3222870), (15, 3008012), (20, 2256009), (21, 2148580), (28, 1611435), (30, 1504006), (35, 1289148), (42, 1074290), (49, 920820), (60, 752003), (70, 644574), (84, 537145), (98, 460410), (103, 438060), (105, 429716), (140, 322287), (147, 306940), (149, 302820), (196, 230205), (206, 219030), (210, 214858), (245, 184164), (294, 153470), (298, 151410), (309, 146020), (412, 109515), (420, 107429), (447, 100940), (490, 92082), (515, 87612), (588, 76735), (596, 75705), (618, 73010), (721, 62580), (735, 61388), (745, 60564), (894, 50470), (980, 46041), (1030, 43806), (1043, 43260), (1236, 36505), (1442, 31290), (1470, 30694), (1490, 30282), (1545, 29204), (1788, 25235), (2060, 21903), (2086, 21630), (2163, 20860), (2235, 20188), (2884, 15645), (2940, 15347), (2980, 15141), (3090, 14602), (3129, 14420), (3605, 12516), (4172, 10815), (4326, 10430), (4470, 10094), (5047, 8940), (5215, 8652), (6180, 7301), (6258, 7210)]