1639661940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{48197}}^1$

素因数の和:48228

約数の個数: 144

約数和(自身を含む): 5894808192

約数和(自身を除く): 4255146252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 17010, 34020, 48197, 96394, 144591, 192788, 240985, 289182, 337379, 433773, 481970, 578364, 674758, 722955, 867546, 963940, 1012137, 1301319, 1349516, 1445910, 1686895, 1735092, 2024274, 2168865, 2602638, 2891820, 3036411, 3373790, 3903957, 4048548, 4337730, 5060685, 5205276, 6072822, 6506595, 6747580, 7807914, 8675460, 9109233, 10121370, 11711871, 12145644, 13013190, 15182055, 15615828, 18218466, 19519785, 20242740, 23423742, 26026380, 27327699, 30364110, 36436932, 39039570, 45546165, 46847484, 54655398, 58559355, 60728220, 78079140, 81983097, 91092330, 109310796, 117118710, 136638495, 163966194, 182184660, 234237420, 273276990, 327932388, 409915485, 546553980, 819830970, 1639661940]

約数ペア:

[(1, 1639661940), (2, 819830970), (3, 546553980), (4, 409915485), (5, 327932388), (6, 273276990), (7, 234237420), (9, 182184660), (10, 163966194), (12, 136638495), (14, 117118710), (15, 109310796), (18, 91092330), (20, 81983097), (21, 78079140), (27, 60728220), (28, 58559355), (30, 54655398), (35, 46847484), (36, 45546165), (42, 39039570), (45, 36436932), (54, 30364110), (60, 27327699), (63, 26026380), (70, 23423742), (81, 20242740), (84, 19519785), (90, 18218466), (105, 15615828), (108, 15182055), (126, 13013190), (135, 12145644), (140, 11711871), (162, 10121370), (180, 9109233), (189, 8675460), (210, 7807914), (243, 6747580), (252, 6506595), (270, 6072822), (315, 5205276), (324, 5060685), (378, 4337730), (405, 4048548), (420, 3903957), (486, 3373790), (540, 3036411), (567, 2891820), (630, 2602638), (756, 2168865), (810, 2024274), (945, 1735092), (972, 1686895), (1134, 1445910), (1215, 1349516), (1260, 1301319), (1620, 1012137), (1701, 963940), (1890, 867546), (2268, 722955), (2430, 674758), (2835, 578364), (3402, 481970), (3780, 433773), (4860, 337379), (5670, 289182), (6804, 240985), (8505, 192788), (11340, 144591), (17010, 96394), (34020, 48197)]