2141572140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{195043}}^1$

素因数の和:195119

約数の個数: 72

約数和(自身を含む): 6602629488

約数和(自身を除く): 4461057348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 195043, 390086, 585129, 780172, 975215, 1170258, 1755387, 1950430, 2340516, 2925645, 3510774, 3900860, 5851290, 7021548, 8776935, 11702580, 11897623, 17553870, 23795246, 35107740, 35692869, 47590492, 59488115, 71385738, 107078607, 118976230, 142771476, 178464345, 214157214, 237952460, 356928690, 428314428, 535393035, 713857380, 1070786070, 2141572140]

約数ペア:

[(1, 2141572140), (2, 1070786070), (3, 713857380), (4, 535393035), (5, 428314428), (6, 356928690), (9, 237952460), (10, 214157214), (12, 178464345), (15, 142771476), (18, 118976230), (20, 107078607), (30, 71385738), (36, 59488115), (45, 47590492), (60, 35692869), (61, 35107740), (90, 23795246), (122, 17553870), (180, 11897623), (183, 11702580), (244, 8776935), (305, 7021548), (366, 5851290), (549, 3900860), (610, 3510774), (732, 2925645), (915, 2340516), (1098, 1950430), (1220, 1755387), (1830, 1170258), (2196, 975215), (2745, 780172), (3660, 585129), (5490, 390086), (10980, 195043)]