31317300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1657}}^1$

素因数の和:1687

約数の個数: 144

約数和(自身を含む): 115131520

約数和(自身を除く): 83814220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1657, 1890, 2100, 2700, 3150, 3314, 3780, 4725, 4971, 6300, 6628, 8285, 9450, 9942, 11599, 14913, 16570, 18900, 19884, 23198, 24855, 29826, 33140, 34797, 41425, 44739, 46396, 49710, 57995, 59652, 69594, 74565, 82850, 89478, 99420, 104391, 115990, 124275, 139188, 149130, 165700, 173985, 178956, 208782, 223695, 231980, 248550, 289975, 298260, 313173, 347970, 372825, 417564, 447390, 497100, 521955, 579950, 626346, 695940, 745650, 869925, 894780, 1043910, 1118475, 1159900, 1252692, 1491300, 1565865, 1739850, 2087820, 2236950, 2609775, 3131730, 3479700, 4473900, 5219550, 6263460, 7829325, 10439100, 15658650, 31317300]

約数ペア:

[(1, 31317300), (2, 15658650), (3, 10439100), (4, 7829325), (5, 6263460), (6, 5219550), (7, 4473900), (9, 3479700), (10, 3131730), (12, 2609775), (14, 2236950), (15, 2087820), (18, 1739850), (20, 1565865), (21, 1491300), (25, 1252692), (27, 1159900), (28, 1118475), (30, 1043910), (35, 894780), (36, 869925), (42, 745650), (45, 695940), (50, 626346), (54, 579950), (60, 521955), (63, 497100), (70, 447390), (75, 417564), (84, 372825), (90, 347970), (100, 313173), (105, 298260), (108, 289975), (126, 248550), (135, 231980), (140, 223695), (150, 208782), (175, 178956), (180, 173985), (189, 165700), (210, 149130), (225, 139188), (252, 124275), (270, 115990), (300, 104391), (315, 99420), (350, 89478), (378, 82850), (420, 74565), (450, 69594), (525, 59652), (540, 57995), (630, 49710), (675, 46396), (700, 44739), (756, 41425), (900, 34797), (945, 33140), (1050, 29826), (1260, 24855), (1350, 23198), (1575, 19884), (1657, 18900), (1890, 16570), (2100, 14913), (2700, 11599), (3150, 9942), (3314, 9450), (3780, 8285), (4725, 6628), (4971, 6300)]