75988980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1358

約数の個数: 144

約数和(自身を含む): 257100480

約数和(自身を除く): 181111500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1307, 1530, 1615, 1710, 1938, 2614, 2907, 3060, 3230, 3420, 3876, 3921, 4845, 5228, 5814, 6460, 6535, 7842, 9690, 11628, 11763, 13070, 14535, 15684, 19380, 19605, 22219, 23526, 24833, 26140, 29070, 39210, 44438, 47052, 49666, 58140, 58815, 66657, 74499, 78420, 88876, 99332, 111095, 117630, 124165, 133314, 148998, 199971, 222190, 223497, 235260, 248330, 266628, 297996, 333285, 372495, 399942, 422161, 444380, 446994, 496660, 666570, 744990, 799884, 844322, 893988, 999855, 1117485, 1266483, 1333140, 1489980, 1688644, 1999710, 2110805, 2234970, 2532966, 3799449, 3999420, 4221610, 4469940, 5065932, 6332415, 7598898, 8443220, 12664830, 15197796, 18997245, 25329660, 37994490, 75988980]

約数ペア:

[(1, 75988980), (2, 37994490), (3, 25329660), (4, 18997245), (5, 15197796), (6, 12664830), (9, 8443220), (10, 7598898), (12, 6332415), (15, 5065932), (17, 4469940), (18, 4221610), (19, 3999420), (20, 3799449), (30, 2532966), (34, 2234970), (36, 2110805), (38, 1999710), (45, 1688644), (51, 1489980), (57, 1333140), (60, 1266483), (68, 1117485), (76, 999855), (85, 893988), (90, 844322), (95, 799884), (102, 744990), (114, 666570), (153, 496660), (170, 446994), (171, 444380), (180, 422161), (190, 399942), (204, 372495), (228, 333285), (255, 297996), (285, 266628), (306, 248330), (323, 235260), (340, 223497), (342, 222190), (380, 199971), (510, 148998), (570, 133314), (612, 124165), (646, 117630), (684, 111095), (765, 99332), (855, 88876), (969, 78420), (1020, 74499), (1140, 66657), (1292, 58815), (1307, 58140), (1530, 49666), (1615, 47052), (1710, 44438), (1938, 39210), (2614, 29070), (2907, 26140), (3060, 24833), (3230, 23526), (3420, 22219), (3876, 19605), (3921, 19380), (4845, 15684), (5228, 14535), (5814, 13070), (6460, 11763), (6535, 11628), (7842, 9690)]