31449180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 108017280

約数和(自身を除く): 76568100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 563, 570, 588, 665, 735, 798, 931, 980, 1126, 1140, 1330, 1470, 1596, 1689, 1862, 1995, 2252, 2660, 2793, 2815, 2940, 3378, 3724, 3941, 3990, 4655, 5586, 5630, 6756, 7882, 7980, 8445, 9310, 10697, 11172, 11260, 11823, 13965, 15764, 16890, 18620, 19705, 21394, 23646, 27587, 27930, 32091, 33780, 39410, 42788, 47292, 53485, 55174, 55860, 59115, 64182, 74879, 78820, 82761, 106970, 110348, 118230, 128364, 137935, 149758, 160455, 165522, 213940, 224637, 236460, 275870, 299516, 320910, 331044, 374395, 413805, 449274, 524153, 551740, 641820, 748790, 827610, 898548, 1048306, 1123185, 1497580, 1572459, 1655220, 2096612, 2246370, 2620765, 3144918, 4492740, 5241530, 6289836, 7862295, 10483060, 15724590, 31449180]

約数ペア:

[(1, 31449180), (2, 15724590), (3, 10483060), (4, 7862295), (5, 6289836), (6, 5241530), (7, 4492740), (10, 3144918), (12, 2620765), (14, 2246370), (15, 2096612), (19, 1655220), (20, 1572459), (21, 1497580), (28, 1123185), (30, 1048306), (35, 898548), (38, 827610), (42, 748790), (49, 641820), (57, 551740), (60, 524153), (70, 449274), (76, 413805), (84, 374395), (95, 331044), (98, 320910), (105, 299516), (114, 275870), (133, 236460), (140, 224637), (147, 213940), (190, 165522), (196, 160455), (210, 149758), (228, 137935), (245, 128364), (266, 118230), (285, 110348), (294, 106970), (380, 82761), (399, 78820), (420, 74879), (490, 64182), (532, 59115), (563, 55860), (570, 55174), (588, 53485), (665, 47292), (735, 42788), (798, 39410), (931, 33780), (980, 32091), (1126, 27930), (1140, 27587), (1330, 23646), (1470, 21394), (1596, 19705), (1689, 18620), (1862, 16890), (1995, 15764), (2252, 13965), (2660, 11823), (2793, 11260), (2815, 11172), (2940, 10697), (3378, 9310), (3724, 8445), (3941, 7980), (3990, 7882), (4655, 6756), (5586, 5630)]