31218210

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 87272640

約数和(自身を除く): 56054430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 243, 261, 270, 290, 405, 435, 443, 486, 522, 783, 810, 870, 886, 1215, 1305, 1329, 1566, 2215, 2349, 2430, 2610, 2658, 3915, 3987, 4430, 4698, 6645, 7047, 7830, 7974, 11745, 11961, 12847, 13290, 14094, 19935, 23490, 23922, 25694, 35235, 35883, 38541, 39870, 59805, 64235, 70470, 71766, 77082, 107649, 115623, 119610, 128470, 179415, 192705, 215298, 231246, 346869, 358830, 385410, 538245, 578115, 693738, 1040607, 1076490, 1156230, 1734345, 2081214, 3121821, 3468690, 5203035, 6243642, 10406070, 15609105, 31218210]

約数ペア:

[(1, 31218210), (2, 15609105), (3, 10406070), (5, 6243642), (6, 5203035), (9, 3468690), (10, 3121821), (15, 2081214), (18, 1734345), (27, 1156230), (29, 1076490), (30, 1040607), (45, 693738), (54, 578115), (58, 538245), (81, 385410), (87, 358830), (90, 346869), (135, 231246), (145, 215298), (162, 192705), (174, 179415), (243, 128470), (261, 119610), (270, 115623), (290, 107649), (405, 77082), (435, 71766), (443, 70470), (486, 64235), (522, 59805), (783, 39870), (810, 38541), (870, 35883), (886, 35235), (1215, 25694), (1305, 23922), (1329, 23490), (1566, 19935), (2215, 14094), (2349, 13290), (2430, 12847), (2610, 11961), (2658, 11745), (3915, 7974), (3987, 7830), (4430, 7047), (4698, 6645)]