618804540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 2022012720

約数和(自身を除く): 1403208180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 89, 90, 95, 107, 114, 171, 178, 180, 190, 214, 228, 267, 285, 321, 342, 356, 361, 380, 428, 445, 534, 535, 570, 642, 684, 722, 801, 855, 890, 963, 1068, 1070, 1083, 1140, 1284, 1335, 1444, 1602, 1605, 1691, 1710, 1780, 1805, 1926, 2033, 2140, 2166, 2670, 3204, 3210, 3249, 3382, 3420, 3610, 3852, 4005, 4066, 4332, 4815, 5073, 5340, 5415, 6099, 6420, 6498, 6764, 7220, 8010, 8132, 8455, 9523, 9630, 10146, 10165, 10830, 12198, 12996, 15219, 16020, 16245, 16910, 18297, 19046, 19260, 20292, 20330, 21660, 24396, 25365, 28569, 30438, 30495, 32129, 32490, 33820, 36594, 38092, 38627, 40660, 47615, 50730, 57138, 60876, 60990, 64258, 64980, 73188, 76095, 77254, 85707, 91485, 95230, 96387, 101460, 114276, 115881, 121980, 128516, 142845, 152190, 154508, 160645, 171414, 180937, 182970, 190460, 192774, 193135, 231762, 285690, 289161, 304380, 321290, 342828, 347643, 361874, 365940, 385548, 386270, 428535, 463524, 481935, 542811, 571380, 578322, 579405, 642580, 695286, 723748, 772540, 857070, 904685, 963870, 1085622, 1156644, 1158810, 1390572, 1445805, 1628433, 1714140, 1738215, 1809370, 1927740, 2171244, 2317620, 2714055, 2891610, 3256866, 3437803, 3476430, 3618740, 5428110, 5783220, 6513732, 6875606, 6952860, 8142165, 10313409, 10856220, 13751212, 16284330, 17189015, 20626818, 30940227, 32568660, 34378030, 41253636, 51567045, 61880454, 68756060, 103134090, 123760908, 154701135, 206268180, 309402270, 618804540]

約数ペア:

[(1, 618804540), (2, 309402270), (3, 206268180), (4, 154701135), (5, 123760908), (6, 103134090), (9, 68756060), (10, 61880454), (12, 51567045), (15, 41253636), (18, 34378030), (19, 32568660), (20, 30940227), (30, 20626818), (36, 17189015), (38, 16284330), (45, 13751212), (57, 10856220), (60, 10313409), (76, 8142165), (89, 6952860), (90, 6875606), (95, 6513732), (107, 5783220), (114, 5428110), (171, 3618740), (178, 3476430), (180, 3437803), (190, 3256866), (214, 2891610), (228, 2714055), (267, 2317620), (285, 2171244), (321, 1927740), (342, 1809370), (356, 1738215), (361, 1714140), (380, 1628433), (428, 1445805), (445, 1390572), (534, 1158810), (535, 1156644), (570, 1085622), (642, 963870), (684, 904685), (722, 857070), (801, 772540), (855, 723748), (890, 695286), (963, 642580), (1068, 579405), (1070, 578322), (1083, 571380), (1140, 542811), (1284, 481935), (1335, 463524), (1444, 428535), (1602, 386270), (1605, 385548), (1691, 365940), (1710, 361874), (1780, 347643), (1805, 342828), (1926, 321290), (2033, 304380), (2140, 289161), (2166, 285690), (2670, 231762), (3204, 193135), (3210, 192774), (3249, 190460), (3382, 182970), (3420, 180937), (3610, 171414), (3852, 160645), (4005, 154508), (4066, 152190), (4332, 142845), (4815, 128516), (5073, 121980), (5340, 115881), (5415, 114276), (6099, 101460), (6420, 96387), (6498, 95230), (6764, 91485), (7220, 85707), (8010, 77254), (8132, 76095), (8455, 73188), (9523, 64980), (9630, 64258), (10146, 60990), (10165, 60876), (10830, 57138), (12198, 50730), (12996, 47615), (15219, 40660), (16020, 38627), (16245, 38092), (16910, 36594), (18297, 33820), (19046, 32490), (19260, 32129), (20292, 30495), (20330, 30438), (21660, 28569), (24396, 25365)]