654864420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{631}}^1$

素因数の和:1010

約数の個数: 144

約数和(自身を含む): 2142419328

約数和(自身を除く): 1487554908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 353, 420, 490, 588, 631, 706, 735, 980, 1059, 1262, 1412, 1470, 1765, 1893, 2118, 2471, 2524, 2940, 3155, 3530, 3786, 4236, 4417, 4942, 5295, 6310, 7060, 7413, 7572, 8834, 9465, 9884, 10590, 12355, 12620, 13251, 14826, 17297, 17668, 18930, 21180, 22085, 24710, 26502, 29652, 30919, 34594, 37065, 37860, 44170, 49420, 51891, 53004, 61838, 66255, 69188, 74130, 86485, 88340, 92757, 103782, 123676, 132510, 148260, 154595, 172970, 185514, 207564, 222743, 259455, 265020, 309190, 345940, 371028, 445486, 463785, 518910, 618380, 668229, 890972, 927570, 1037820, 1113715, 1336458, 1559201, 1855140, 2227430, 2672916, 3118402, 3341145, 4454860, 4677603, 6236804, 6682290, 7796005, 9355206, 10914407, 13364580, 15592010, 18710412, 21828814, 23388015, 31184020, 32743221, 43657628, 46776030, 54572035, 65486442, 93552060, 109144070, 130972884, 163716105, 218288140, 327432210, 654864420]

約数ペア:

[(1, 654864420), (2, 327432210), (3, 218288140), (4, 163716105), (5, 130972884), (6, 109144070), (7, 93552060), (10, 65486442), (12, 54572035), (14, 46776030), (15, 43657628), (20, 32743221), (21, 31184020), (28, 23388015), (30, 21828814), (35, 18710412), (42, 15592010), (49, 13364580), (60, 10914407), (70, 9355206), (84, 7796005), (98, 6682290), (105, 6236804), (140, 4677603), (147, 4454860), (196, 3341145), (210, 3118402), (245, 2672916), (294, 2227430), (353, 1855140), (420, 1559201), (490, 1336458), (588, 1113715), (631, 1037820), (706, 927570), (735, 890972), (980, 668229), (1059, 618380), (1262, 518910), (1412, 463785), (1470, 445486), (1765, 371028), (1893, 345940), (2118, 309190), (2471, 265020), (2524, 259455), (2940, 222743), (3155, 207564), (3530, 185514), (3786, 172970), (4236, 154595), (4417, 148260), (4942, 132510), (5295, 123676), (6310, 103782), (7060, 92757), (7413, 88340), (7572, 86485), (8834, 74130), (9465, 69188), (9884, 66255), (10590, 61838), (12355, 53004), (12620, 51891), (13251, 49420), (14826, 44170), (17297, 37860), (17668, 37065), (18930, 34594), (21180, 30919), (22085, 29652), (24710, 26502)]