80123220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 255370752

約数和(自身を除く): 175247532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 83, 90, 93, 124, 155, 166, 173, 180, 186, 249, 279, 310, 332, 346, 372, 415, 465, 498, 519, 558, 620, 692, 747, 830, 865, 930, 996, 1038, 1116, 1245, 1395, 1494, 1557, 1660, 1730, 1860, 2076, 2490, 2573, 2595, 2790, 2988, 3114, 3460, 3735, 4980, 5146, 5190, 5363, 5580, 6228, 7470, 7719, 7785, 10292, 10380, 10726, 12865, 14359, 14940, 15438, 15570, 16089, 21452, 23157, 25730, 26815, 28718, 30876, 31140, 32178, 38595, 43077, 46314, 48267, 51460, 53630, 57436, 64356, 71795, 77190, 80445, 86154, 92628, 96534, 107260, 115785, 129231, 143590, 154380, 160890, 172308, 193068, 215385, 231570, 241335, 258462, 287180, 321780, 430770, 445129, 463140, 482670, 516924, 646155, 861540, 890258, 965340, 1292310, 1335387, 1780516, 2225645, 2584620, 2670774, 4006161, 4451290, 5341548, 6676935, 8012322, 8902580, 13353870, 16024644, 20030805, 26707740, 40061610, 80123220]

約数ペア:

[(1, 80123220), (2, 40061610), (3, 26707740), (4, 20030805), (5, 16024644), (6, 13353870), (9, 8902580), (10, 8012322), (12, 6676935), (15, 5341548), (18, 4451290), (20, 4006161), (30, 2670774), (31, 2584620), (36, 2225645), (45, 1780516), (60, 1335387), (62, 1292310), (83, 965340), (90, 890258), (93, 861540), (124, 646155), (155, 516924), (166, 482670), (173, 463140), (180, 445129), (186, 430770), (249, 321780), (279, 287180), (310, 258462), (332, 241335), (346, 231570), (372, 215385), (415, 193068), (465, 172308), (498, 160890), (519, 154380), (558, 143590), (620, 129231), (692, 115785), (747, 107260), (830, 96534), (865, 92628), (930, 86154), (996, 80445), (1038, 77190), (1116, 71795), (1245, 64356), (1395, 57436), (1494, 53630), (1557, 51460), (1660, 48267), (1730, 46314), (1860, 43077), (2076, 38595), (2490, 32178), (2573, 31140), (2595, 30876), (2790, 28718), (2988, 26815), (3114, 25730), (3460, 23157), (3735, 21452), (4980, 16089), (5146, 15570), (5190, 15438), (5363, 14940), (5580, 14359), (6228, 12865), (7470, 10726), (7719, 10380), (7785, 10292)]