1777860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 6604416

約数和(自身を除く): 4826556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 83, 84, 85, 90, 102, 105, 119, 126, 140, 153, 166, 170, 180, 204, 210, 238, 249, 252, 255, 306, 315, 332, 340, 357, 415, 420, 476, 498, 510, 581, 595, 612, 630, 714, 747, 765, 830, 996, 1020, 1071, 1162, 1190, 1245, 1260, 1411, 1428, 1494, 1530, 1660, 1743, 1785, 2142, 2324, 2380, 2490, 2822, 2905, 2988, 3060, 3486, 3570, 3735, 4233, 4284, 4980, 5229, 5355, 5644, 5810, 6972, 7055, 7140, 7470, 8466, 8715, 9877, 10458, 10710, 11620, 12699, 14110, 14940, 16932, 17430, 19754, 20916, 21165, 21420, 25398, 26145, 28220, 29631, 34860, 39508, 42330, 49385, 50796, 52290, 59262, 63495, 84660, 88893, 98770, 104580, 118524, 126990, 148155, 177786, 197540, 253980, 296310, 355572, 444465, 592620, 888930, 1777860]

約数ペア:

[(1, 1777860), (2, 888930), (3, 592620), (4, 444465), (5, 355572), (6, 296310), (7, 253980), (9, 197540), (10, 177786), (12, 148155), (14, 126990), (15, 118524), (17, 104580), (18, 98770), (20, 88893), (21, 84660), (28, 63495), (30, 59262), (34, 52290), (35, 50796), (36, 49385), (42, 42330), (45, 39508), (51, 34860), (60, 29631), (63, 28220), (68, 26145), (70, 25398), (83, 21420), (84, 21165), (85, 20916), (90, 19754), (102, 17430), (105, 16932), (119, 14940), (126, 14110), (140, 12699), (153, 11620), (166, 10710), (170, 10458), (180, 9877), (204, 8715), (210, 8466), (238, 7470), (249, 7140), (252, 7055), (255, 6972), (306, 5810), (315, 5644), (332, 5355), (340, 5229), (357, 4980), (415, 4284), (420, 4233), (476, 3735), (498, 3570), (510, 3486), (581, 3060), (595, 2988), (612, 2905), (630, 2822), (714, 2490), (747, 2380), (765, 2324), (830, 2142), (996, 1785), (1020, 1743), (1071, 1660), (1162, 1530), (1190, 1494), (1245, 1428), (1260, 1411)]