61438020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7699}}^1$

素因数の和:7737

約数の個数: 96

約数和(自身を含む): 206976000

約数和(自身を除く): 145537980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7699, 7980, 15398, 23097, 30796, 38495, 46194, 53893, 76990, 92388, 107786, 115485, 146281, 153980, 161679, 215572, 230970, 269465, 292562, 323358, 438843, 461940, 538930, 585124, 646716, 731405, 808395, 877686, 1023967, 1077860, 1462810, 1616790, 1755372, 2047934, 2194215, 2925620, 3071901, 3233580, 4095868, 4388430, 5119835, 6143802, 8776860, 10239670, 12287604, 15359505, 20479340, 30719010, 61438020]

約数ペア:

[(1, 61438020), (2, 30719010), (3, 20479340), (4, 15359505), (5, 12287604), (6, 10239670), (7, 8776860), (10, 6143802), (12, 5119835), (14, 4388430), (15, 4095868), (19, 3233580), (20, 3071901), (21, 2925620), (28, 2194215), (30, 2047934), (35, 1755372), (38, 1616790), (42, 1462810), (57, 1077860), (60, 1023967), (70, 877686), (76, 808395), (84, 731405), (95, 646716), (105, 585124), (114, 538930), (133, 461940), (140, 438843), (190, 323358), (210, 292562), (228, 269465), (266, 230970), (285, 215572), (380, 161679), (399, 153980), (420, 146281), (532, 115485), (570, 107786), (665, 92388), (798, 76990), (1140, 53893), (1330, 46194), (1596, 38495), (1995, 30796), (2660, 23097), (3990, 15398), (7699, 7980)]