19966454820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1\times {\mathrm{4243}}^1$

素因数の和:6282

約数の個数: 144

約数和(自身を含む): 65271565632

約数和(自身を除く): 45305110812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2011, 2340, 4022, 4243, 6033, 8044, 8486, 10055, 12066, 12729, 16972, 18099, 20110, 21215, 24132, 25458, 26143, 30165, 36198, 38187, 40220, 42430, 50916, 52286, 55159, 60330, 63645, 72396, 76374, 78429, 84860, 90495, 104572, 110318, 120660, 127290, 130715, 152748, 156858, 165477, 180990, 190935, 220636, 235287, 254580, 261430, 275795, 313716, 330954, 361980, 381870, 392145, 470574, 496431, 522860, 551590, 661908, 763740, 784290, 827385, 941148, 992862, 1103180, 1176435, 1568580, 1654770, 1985724, 2352870, 2482155, 3309540, 4705740, 4964310, 8532673, 9928620, 17065346, 25598019, 34130692, 42663365, 51196038, 76794057, 85326730, 102392076, 110924749, 127990095, 153588114, 170653460, 221849498, 255980190, 307176228, 332774247, 383970285, 443698996, 511960380, 554623745, 665548494, 767940570, 998322741, 1109247490, 1331096988, 1535881140, 1663871235, 1996645482, 2218494980, 3327742470, 3993290964, 4991613705, 6655484940, 9983227410, 19966454820]

約数ペア:

[(1, 19966454820), (2, 9983227410), (3, 6655484940), (4, 4991613705), (5, 3993290964), (6, 3327742470), (9, 2218494980), (10, 1996645482), (12, 1663871235), (13, 1535881140), (15, 1331096988), (18, 1109247490), (20, 998322741), (26, 767940570), (30, 665548494), (36, 554623745), (39, 511960380), (45, 443698996), (52, 383970285), (60, 332774247), (65, 307176228), (78, 255980190), (90, 221849498), (117, 170653460), (130, 153588114), (156, 127990095), (180, 110924749), (195, 102392076), (234, 85326730), (260, 76794057), (390, 51196038), (468, 42663365), (585, 34130692), (780, 25598019), (1170, 17065346), (2011, 9928620), (2340, 8532673), (4022, 4964310), (4243, 4705740), (6033, 3309540), (8044, 2482155), (8486, 2352870), (10055, 1985724), (12066, 1654770), (12729, 1568580), (16972, 1176435), (18099, 1103180), (20110, 992862), (21215, 941148), (24132, 827385), (25458, 784290), (26143, 763740), (30165, 661908), (36198, 551590), (38187, 522860), (40220, 496431), (42430, 470574), (50916, 392145), (52286, 381870), (55159, 361980), (60330, 330954), (63645, 313716), (72396, 275795), (76374, 261430), (78429, 254580), (84860, 235287), (90495, 220636), (104572, 190935), (110318, 180990), (120660, 165477), (127290, 156858), (130715, 152748)]