648366960420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{121081}}^1$

素因数の和:121586

約数の個数: 144

約数和(自身を含む): 1999189745280

約数和(自身を除く): 1350822784860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 419, 426, 639, 710, 838, 852, 1065, 1257, 1278, 1420, 1676, 2095, 2130, 2514, 2556, 3195, 3771, 4190, 4260, 5028, 6285, 6390, 7542, 8380, 12570, 12780, 15084, 18855, 25140, 29749, 37710, 59498, 75420, 89247, 118996, 121081, 148745, 178494, 242162, 267741, 297490, 356988, 363243, 446235, 484324, 535482, 594980, 605405, 726486, 892470, 1070964, 1089729, 1210810, 1338705, 1452972, 1784940, 1816215, 2179458, 2421620, 2677410, 3632430, 4358916, 5354820, 5448645, 7264860, 8596751, 10897290, 17193502, 21794580, 25790253, 34387004, 42983755, 50732939, 51580506, 77370759, 85967510, 101465878, 103161012, 128951265, 152198817, 154741518, 171935020, 202931756, 253664695, 257902530, 304397634, 309483036, 386853795, 456596451, 507329390, 515805060, 608795268, 760994085, 773707590, 913192902, 1014658780, 1521988170, 1547415180, 1826385804, 2282982255, 3043976340, 3602038669, 4565964510, 7204077338, 9131929020, 10806116007, 14408154676, 18010193345, 21612232014, 32418348021, 36020386690, 43224464028, 54030580035, 64836696042, 72040773380, 108061160070, 129673392084, 162091740105, 216122320140, 324183480210, 648366960420]

約数ペア:

[(1, 648366960420), (2, 324183480210), (3, 216122320140), (4, 162091740105), (5, 129673392084), (6, 108061160070), (9, 72040773380), (10, 64836696042), (12, 54030580035), (15, 43224464028), (18, 36020386690), (20, 32418348021), (30, 21612232014), (36, 18010193345), (45, 14408154676), (60, 10806116007), (71, 9131929020), (90, 7204077338), (142, 4565964510), (180, 3602038669), (213, 3043976340), (284, 2282982255), (355, 1826385804), (419, 1547415180), (426, 1521988170), (639, 1014658780), (710, 913192902), (838, 773707590), (852, 760994085), (1065, 608795268), (1257, 515805060), (1278, 507329390), (1420, 456596451), (1676, 386853795), (2095, 309483036), (2130, 304397634), (2514, 257902530), (2556, 253664695), (3195, 202931756), (3771, 171935020), (4190, 154741518), (4260, 152198817), (5028, 128951265), (6285, 103161012), (6390, 101465878), (7542, 85967510), (8380, 77370759), (12570, 51580506), (12780, 50732939), (15084, 42983755), (18855, 34387004), (25140, 25790253), (29749, 21794580), (37710, 17193502), (59498, 10897290), (75420, 8596751), (89247, 7264860), (118996, 5448645), (121081, 5354820), (148745, 4358916), (178494, 3632430), (242162, 2677410), (267741, 2421620), (297490, 2179458), (356988, 1816215), (363243, 1784940), (446235, 1452972), (484324, 1338705), (535482, 1210810), (594980, 1089729), (605405, 1070964), (726486, 892470)]