18720113220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{11939}}^1$

素因数の和:12266

約数の個数: 144

約数和(自身を含む): 58829621760

約数和(自身を除く): 40109508540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 281, 310, 372, 465, 558, 562, 620, 843, 930, 1116, 1124, 1395, 1405, 1686, 1860, 2529, 2790, 2810, 3372, 4215, 5058, 5580, 5620, 8430, 8711, 10116, 11939, 12645, 16860, 17422, 23878, 25290, 26133, 34844, 35817, 43555, 47756, 50580, 52266, 59695, 71634, 78399, 87110, 104532, 107451, 119390, 130665, 143268, 156798, 174220, 179085, 214902, 238780, 261330, 313596, 358170, 370109, 391995, 429804, 522660, 537255, 716340, 740218, 783990, 1074510, 1110327, 1480436, 1567980, 1850545, 2149020, 2220654, 3330981, 3354859, 3701090, 4441308, 5551635, 6661962, 6709718, 7402180, 10064577, 11103270, 13323924, 13419436, 16654905, 16774295, 20129154, 22206540, 30193731, 33309810, 33548590, 40258308, 50322885, 60387462, 66619620, 67097180, 100645770, 104000629, 120774924, 150968655, 201291540, 208001258, 301937310, 312001887, 416002516, 520003145, 603874620, 624003774, 936005661, 1040006290, 1248007548, 1560009435, 1872011322, 2080012580, 3120018870, 3744022644, 4680028305, 6240037740, 9360056610, 18720113220]

約数ペア:

[(1, 18720113220), (2, 9360056610), (3, 6240037740), (4, 4680028305), (5, 3744022644), (6, 3120018870), (9, 2080012580), (10, 1872011322), (12, 1560009435), (15, 1248007548), (18, 1040006290), (20, 936005661), (30, 624003774), (31, 603874620), (36, 520003145), (45, 416002516), (60, 312001887), (62, 301937310), (90, 208001258), (93, 201291540), (124, 150968655), (155, 120774924), (180, 104000629), (186, 100645770), (279, 67097180), (281, 66619620), (310, 60387462), (372, 50322885), (465, 40258308), (558, 33548590), (562, 33309810), (620, 30193731), (843, 22206540), (930, 20129154), (1116, 16774295), (1124, 16654905), (1395, 13419436), (1405, 13323924), (1686, 11103270), (1860, 10064577), (2529, 7402180), (2790, 6709718), (2810, 6661962), (3372, 5551635), (4215, 4441308), (5058, 3701090), (5580, 3354859), (5620, 3330981), (8430, 2220654), (8711, 2149020), (10116, 1850545), (11939, 1567980), (12645, 1480436), (16860, 1110327), (17422, 1074510), (23878, 783990), (25290, 740218), (26133, 716340), (34844, 537255), (35817, 522660), (43555, 429804), (47756, 391995), (50580, 370109), (52266, 358170), (59695, 313596), (71634, 261330), (78399, 238780), (87110, 214902), (104532, 179085), (107451, 174220), (119390, 156798), (130665, 143268)]