128312820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 411989760

約数和(自身を除く): 283676940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 87, 90, 94, 116, 141, 145, 174, 180, 188, 235, 261, 282, 290, 348, 423, 435, 470, 522, 523, 564, 580, 705, 846, 870, 940, 1044, 1046, 1305, 1363, 1410, 1569, 1692, 1740, 2092, 2115, 2610, 2615, 2726, 2820, 3138, 4089, 4230, 4707, 5220, 5230, 5452, 6276, 6815, 7845, 8178, 8460, 9414, 10460, 12267, 13630, 15167, 15690, 16356, 18828, 20445, 23535, 24534, 24581, 27260, 30334, 31380, 40890, 45501, 47070, 49068, 49162, 60668, 61335, 73743, 75835, 81780, 91002, 94140, 98324, 122670, 122905, 136503, 147486, 151670, 182004, 221229, 227505, 245340, 245810, 273006, 294972, 303340, 368715, 442458, 455010, 491620, 546012, 682515, 712849, 737430, 884916, 910020, 1106145, 1365030, 1425698, 1474860, 2138547, 2212290, 2730060, 2851396, 3564245, 4277094, 4424580, 6415641, 7128490, 8554188, 10692735, 12831282, 14256980, 21385470, 25662564, 32078205, 42770940, 64156410, 128312820]

約数ペア:

[(1, 128312820), (2, 64156410), (3, 42770940), (4, 32078205), (5, 25662564), (6, 21385470), (9, 14256980), (10, 12831282), (12, 10692735), (15, 8554188), (18, 7128490), (20, 6415641), (29, 4424580), (30, 4277094), (36, 3564245), (45, 2851396), (47, 2730060), (58, 2212290), (60, 2138547), (87, 1474860), (90, 1425698), (94, 1365030), (116, 1106145), (141, 910020), (145, 884916), (174, 737430), (180, 712849), (188, 682515), (235, 546012), (261, 491620), (282, 455010), (290, 442458), (348, 368715), (423, 303340), (435, 294972), (470, 273006), (522, 245810), (523, 245340), (564, 227505), (580, 221229), (705, 182004), (846, 151670), (870, 147486), (940, 136503), (1044, 122905), (1046, 122670), (1305, 98324), (1363, 94140), (1410, 91002), (1569, 81780), (1692, 75835), (1740, 73743), (2092, 61335), (2115, 60668), (2610, 49162), (2615, 49068), (2726, 47070), (2820, 45501), (3138, 40890), (4089, 31380), (4230, 30334), (4707, 27260), (5220, 24581), (5230, 24534), (5452, 23535), (6276, 20445), (6815, 18828), (7845, 16356), (8178, 15690), (8460, 15167), (9414, 13630), (10460, 12267)]