1220512500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 216

約数和(自身を含む): 4066302240

約数和(自身を除く): 2845789740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 571, 625, 684, 750, 855, 900, 950, 1125, 1140, 1142, 1250, 1425, 1500, 1710, 1713, 1875, 1900, 2250, 2284, 2375, 2500, 2850, 2855, 3125, 3420, 3426, 3750, 4275, 4500, 4750, 5139, 5625, 5700, 5710, 6250, 6852, 7125, 7500, 8550, 8565, 9375, 9500, 10278, 10849, 11250, 11420, 11875, 12500, 14250, 14275, 17100, 17130, 18750, 20556, 21375, 21698, 22500, 23750, 25695, 28125, 28500, 28550, 32547, 34260, 35625, 37500, 42750, 42825, 43396, 47500, 51390, 54245, 56250, 57100, 59375, 65094, 71250, 71375, 85500, 85650, 97641, 102780, 106875, 108490, 112500, 118750, 128475, 130188, 142500, 142750, 162735, 171300, 178125, 195282, 213750, 214125, 216980, 237500, 256950, 271225, 285500, 325470, 356250, 356875, 390564, 427500, 428250, 488205, 513900, 534375, 542450, 642375, 650940, 712500, 713750, 813675, 856500, 976410, 1068750, 1070625, 1084900, 1284750, 1356125, 1427500, 1627350, 1784375, 1952820, 2137500, 2141250, 2441025, 2569500, 2712250, 3211875, 3254700, 3568750, 4068375, 4282500, 4882050, 5353125, 5424500, 6423750, 6780625, 7137500, 8136750, 9764100, 10706250, 12205125, 12847500, 13561250, 16059375, 16273500, 20341875, 21412500, 24410250, 27122500, 32118750, 33903125, 40683750, 48820500, 61025625, 64237500, 67806250, 81367500, 101709375, 122051250, 135612500, 203418750, 244102500, 305128125, 406837500, 610256250, 1220512500]

約数ペア:

[(1, 1220512500), (2, 610256250), (3, 406837500), (4, 305128125), (5, 244102500), (6, 203418750), (9, 135612500), (10, 122051250), (12, 101709375), (15, 81367500), (18, 67806250), (19, 64237500), (20, 61025625), (25, 48820500), (30, 40683750), (36, 33903125), (38, 32118750), (45, 27122500), (50, 24410250), (57, 21412500), (60, 20341875), (75, 16273500), (76, 16059375), (90, 13561250), (95, 12847500), (100, 12205125), (114, 10706250), (125, 9764100), (150, 8136750), (171, 7137500), (180, 6780625), (190, 6423750), (225, 5424500), (228, 5353125), (250, 4882050), (285, 4282500), (300, 4068375), (342, 3568750), (375, 3254700), (380, 3211875), (450, 2712250), (475, 2569500), (500, 2441025), (570, 2141250), (571, 2137500), (625, 1952820), (684, 1784375), (750, 1627350), (855, 1427500), (900, 1356125), (950, 1284750), (1125, 1084900), (1140, 1070625), (1142, 1068750), (1250, 976410), (1425, 856500), (1500, 813675), (1710, 713750), (1713, 712500), (1875, 650940), (1900, 642375), (2250, 542450), (2284, 534375), (2375, 513900), (2500, 488205), (2850, 428250), (2855, 427500), (3125, 390564), (3420, 356875), (3426, 356250), (3750, 325470), (4275, 285500), (4500, 271225), (4750, 256950), (5139, 237500), (5625, 216980), (5700, 214125), (5710, 213750), (6250, 195282), (6852, 178125), (7125, 171300), (7500, 162735), (8550, 142750), (8565, 142500), (9375, 130188), (9500, 128475), (10278, 118750), (10849, 112500), (11250, 108490), (11420, 106875), (11875, 102780), (12500, 97641), (14250, 85650), (14275, 85500), (17100, 71375), (17130, 71250), (18750, 65094), (20556, 59375), (21375, 57100), (21698, 56250), (22500, 54245), (23750, 51390), (25695, 47500), (28125, 43396), (28500, 42825), (28550, 42750), (32547, 37500), (34260, 35625)]