128517780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 373403520

約数和(自身を除く): 244885740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 89, 123, 164, 178, 205, 246, 267, 356, 410, 445, 492, 534, 587, 615, 820, 890, 1068, 1174, 1230, 1335, 1761, 1780, 2348, 2460, 2670, 2935, 3522, 3649, 5340, 5870, 7044, 7298, 8805, 10947, 11740, 14596, 17610, 18245, 21894, 24067, 35220, 36490, 43788, 48134, 52243, 54735, 72201, 72980, 96268, 104486, 109470, 120335, 144402, 156729, 208972, 218940, 240670, 261215, 288804, 313458, 361005, 481340, 522430, 626916, 722010, 783645, 1044860, 1444020, 1567290, 2141963, 3134580, 4283926, 6425889, 8567852, 10709815, 12851778, 21419630, 25703556, 32129445, 42839260, 64258890, 128517780]

約数ペア:

[(1, 128517780), (2, 64258890), (3, 42839260), (4, 32129445), (5, 25703556), (6, 21419630), (10, 12851778), (12, 10709815), (15, 8567852), (20, 6425889), (30, 4283926), (41, 3134580), (60, 2141963), (82, 1567290), (89, 1444020), (123, 1044860), (164, 783645), (178, 722010), (205, 626916), (246, 522430), (267, 481340), (356, 361005), (410, 313458), (445, 288804), (492, 261215), (534, 240670), (587, 218940), (615, 208972), (820, 156729), (890, 144402), (1068, 120335), (1174, 109470), (1230, 104486), (1335, 96268), (1761, 72980), (1780, 72201), (2348, 54735), (2460, 52243), (2670, 48134), (2935, 43788), (3522, 36490), (3649, 35220), (5340, 24067), (5870, 21894), (7044, 18245), (7298, 17610), (8805, 14596), (10947, 11740)]