128702010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 342144000

約数和(自身を除く): 213441990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 59, 86, 89, 95, 114, 118, 129, 177, 178, 190, 215, 258, 267, 285, 295, 354, 430, 445, 534, 570, 590, 645, 817, 885, 890, 1121, 1290, 1335, 1634, 1691, 1770, 2242, 2451, 2537, 2670, 3363, 3382, 3827, 4085, 4902, 5073, 5074, 5251, 5605, 6726, 7611, 7654, 8170, 8455, 10146, 10502, 11210, 11481, 12255, 12685, 15222, 15753, 16815, 16910, 19135, 22962, 24510, 25365, 25370, 26255, 31506, 33630, 38055, 38270, 48203, 50730, 52510, 57405, 72713, 76110, 78765, 96406, 99769, 114810, 144609, 145426, 157530, 199538, 218139, 225793, 241015, 289218, 299307, 363565, 436278, 451586, 482030, 498845, 598614, 677379, 723045, 727130, 997690, 1090695, 1128965, 1354758, 1446090, 1496535, 2181390, 2257930, 2993070, 3386895, 4290067, 6773790, 8580134, 12870201, 21450335, 25740402, 42900670, 64351005, 128702010]

約数ペア:

[(1, 128702010), (2, 64351005), (3, 42900670), (5, 25740402), (6, 21450335), (10, 12870201), (15, 8580134), (19, 6773790), (30, 4290067), (38, 3386895), (43, 2993070), (57, 2257930), (59, 2181390), (86, 1496535), (89, 1446090), (95, 1354758), (114, 1128965), (118, 1090695), (129, 997690), (177, 727130), (178, 723045), (190, 677379), (215, 598614), (258, 498845), (267, 482030), (285, 451586), (295, 436278), (354, 363565), (430, 299307), (445, 289218), (534, 241015), (570, 225793), (590, 218139), (645, 199538), (817, 157530), (885, 145426), (890, 144609), (1121, 114810), (1290, 99769), (1335, 96406), (1634, 78765), (1691, 76110), (1770, 72713), (2242, 57405), (2451, 52510), (2537, 50730), (2670, 48203), (3363, 38270), (3382, 38055), (3827, 33630), (4085, 31506), (4902, 26255), (5073, 25370), (5074, 25365), (5251, 24510), (5605, 22962), (6726, 19135), (7611, 16910), (7654, 16815), (8170, 15753), (8455, 15222), (10146, 12685), (10502, 12255), (11210, 11481)]