17642940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 61018272

約数和(自身を除く): 43375332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 353, 357, 420, 476, 490, 510, 588, 595, 706, 714, 735, 833, 980, 1020, 1059, 1190, 1412, 1428, 1470, 1666, 1765, 1785, 2118, 2380, 2471, 2499, 2940, 3332, 3530, 3570, 4165, 4236, 4942, 4998, 5295, 6001, 7060, 7140, 7413, 8330, 9884, 9996, 10590, 12002, 12355, 12495, 14826, 16660, 17297, 18003, 21180, 24004, 24710, 24990, 29652, 30005, 34594, 36006, 37065, 42007, 49420, 49980, 51891, 60010, 69188, 72012, 74130, 84014, 86485, 90015, 103782, 120020, 126021, 148260, 168028, 172970, 180030, 207564, 210035, 252042, 259455, 294049, 345940, 360060, 420070, 504084, 518910, 588098, 630105, 840140, 882147, 1037820, 1176196, 1260210, 1470245, 1764294, 2520420, 2940490, 3528588, 4410735, 5880980, 8821470, 17642940]

約数ペア:

[(1, 17642940), (2, 8821470), (3, 5880980), (4, 4410735), (5, 3528588), (6, 2940490), (7, 2520420), (10, 1764294), (12, 1470245), (14, 1260210), (15, 1176196), (17, 1037820), (20, 882147), (21, 840140), (28, 630105), (30, 588098), (34, 518910), (35, 504084), (42, 420070), (49, 360060), (51, 345940), (60, 294049), (68, 259455), (70, 252042), (84, 210035), (85, 207564), (98, 180030), (102, 172970), (105, 168028), (119, 148260), (140, 126021), (147, 120020), (170, 103782), (196, 90015), (204, 86485), (210, 84014), (238, 74130), (245, 72012), (255, 69188), (294, 60010), (340, 51891), (353, 49980), (357, 49420), (420, 42007), (476, 37065), (490, 36006), (510, 34594), (588, 30005), (595, 29652), (706, 24990), (714, 24710), (735, 24004), (833, 21180), (980, 18003), (1020, 17297), (1059, 16660), (1190, 14826), (1412, 12495), (1428, 12355), (1470, 12002), (1666, 10590), (1765, 9996), (1785, 9884), (2118, 8330), (2380, 7413), (2471, 7140), (2499, 7060), (2940, 6001), (3332, 5295), (3530, 4998), (3570, 4942), (4165, 4236)]