83971260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 274834560

約数和(自身を除く): 190863300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 571, 645, 684, 774, 817, 855, 860, 1140, 1142, 1290, 1548, 1634, 1710, 1713, 1935, 2284, 2451, 2580, 2855, 3268, 3420, 3426, 3870, 4085, 4902, 5139, 5710, 6852, 7353, 7740, 8170, 8565, 9804, 10278, 10849, 11420, 12255, 14706, 16340, 17130, 20556, 21698, 24510, 24553, 25695, 29412, 32547, 34260, 36765, 43396, 49020, 49106, 51390, 54245, 65094, 73530, 73659, 97641, 98212, 102780, 108490, 122765, 130188, 147060, 147318, 162735, 195282, 216980, 220977, 245530, 294636, 325470, 368295, 390564, 441954, 466507, 488205, 491060, 650940, 736590, 883908, 933014, 976410, 1104885, 1399521, 1473180, 1866028, 1952820, 2209770, 2332535, 2799042, 4198563, 4419540, 4665070, 5598084, 6997605, 8397126, 9330140, 13995210, 16794252, 20992815, 27990420, 41985630, 83971260]

約数ペア:

[(1, 83971260), (2, 41985630), (3, 27990420), (4, 20992815), (5, 16794252), (6, 13995210), (9, 9330140), (10, 8397126), (12, 6997605), (15, 5598084), (18, 4665070), (19, 4419540), (20, 4198563), (30, 2799042), (36, 2332535), (38, 2209770), (43, 1952820), (45, 1866028), (57, 1473180), (60, 1399521), (76, 1104885), (86, 976410), (90, 933014), (95, 883908), (114, 736590), (129, 650940), (171, 491060), (172, 488205), (180, 466507), (190, 441954), (215, 390564), (228, 368295), (258, 325470), (285, 294636), (342, 245530), (380, 220977), (387, 216980), (430, 195282), (516, 162735), (570, 147318), (571, 147060), (645, 130188), (684, 122765), (774, 108490), (817, 102780), (855, 98212), (860, 97641), (1140, 73659), (1142, 73530), (1290, 65094), (1548, 54245), (1634, 51390), (1710, 49106), (1713, 49020), (1935, 43396), (2284, 36765), (2451, 34260), (2580, 32547), (2855, 29412), (3268, 25695), (3420, 24553), (3426, 24510), (3870, 21698), (4085, 20556), (4902, 17130), (5139, 16340), (5710, 14706), (6852, 12255), (7353, 11420), (7740, 10849), (8170, 10278), (8565, 9804)]