72101540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 189604800

約数和(自身を除く): 117503260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 49, 58, 59, 70, 86, 98, 116, 118, 140, 145, 172, 196, 203, 215, 236, 245, 290, 295, 301, 406, 413, 430, 490, 580, 590, 602, 812, 826, 860, 980, 1015, 1180, 1204, 1247, 1421, 1505, 1652, 1711, 2030, 2065, 2107, 2494, 2537, 2842, 2891, 3010, 3422, 4060, 4130, 4214, 4988, 5074, 5684, 5782, 6020, 6235, 6844, 7105, 8260, 8428, 8555, 8729, 10148, 10535, 11564, 11977, 12470, 12685, 14210, 14455, 17110, 17458, 17759, 21070, 23954, 24940, 25370, 28420, 28910, 34220, 34916, 35518, 42140, 43645, 47908, 50740, 57820, 59885, 61103, 71036, 73573, 83839, 87290, 88795, 119770, 122206, 124313, 147146, 167678, 174580, 177590, 239540, 244412, 248626, 294292, 305515, 335356, 355180, 367865, 419195, 497252, 515011, 611030, 621565, 735730, 838390, 1030022, 1222060, 1243130, 1471460, 1676780, 2060044, 2486260, 2575055, 3605077, 5150110, 7210154, 10300220, 14420308, 18025385, 36050770, 72101540]

約数ペア:

[(1, 72101540), (2, 36050770), (4, 18025385), (5, 14420308), (7, 10300220), (10, 7210154), (14, 5150110), (20, 3605077), (28, 2575055), (29, 2486260), (35, 2060044), (43, 1676780), (49, 1471460), (58, 1243130), (59, 1222060), (70, 1030022), (86, 838390), (98, 735730), (116, 621565), (118, 611030), (140, 515011), (145, 497252), (172, 419195), (196, 367865), (203, 355180), (215, 335356), (236, 305515), (245, 294292), (290, 248626), (295, 244412), (301, 239540), (406, 177590), (413, 174580), (430, 167678), (490, 147146), (580, 124313), (590, 122206), (602, 119770), (812, 88795), (826, 87290), (860, 83839), (980, 73573), (1015, 71036), (1180, 61103), (1204, 59885), (1247, 57820), (1421, 50740), (1505, 47908), (1652, 43645), (1711, 42140), (2030, 35518), (2065, 34916), (2107, 34220), (2494, 28910), (2537, 28420), (2842, 25370), (2891, 24940), (3010, 23954), (3422, 21070), (4060, 17759), (4130, 17458), (4214, 17110), (4988, 14455), (5074, 14210), (5684, 12685), (5782, 12470), (6020, 11977), (6235, 11564), (6844, 10535), (7105, 10148), (8260, 8729), (8428, 8555)]