172980780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3504

約数の個数: 144

約数和(自身を含む): 596738016

約数和(自身を除く): 423757236

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, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1666, 1785, 2380, 2499, 2940, 3332, 3461, 3570, 4165, 4998, 6922, 7140, 8330, 9996, 10383, 12495, 13844, 16660, 17305, 20766, 24227, 24990, 34610, 41532, 48454, 49980, 51915, 58837, 69220, 72681, 96908, 103830, 117674, 121135, 145362, 169589, 176511, 207660, 235348, 242270, 290724, 294185, 339178, 353022, 363405, 411859, 484540, 508767, 588370, 678356, 706044, 726810, 823718, 847945, 882555, 1017534, 1176740, 1235577, 1453620, 1647436, 1695890, 1765110, 2035068, 2059295, 2471154, 2543835, 2883013, 3391780, 3530220, 4118590, 4942308, 5087670, 5766026, 6177885, 8237180, 8649039, 10175340, 11532052, 12355770, 14415065, 17298078, 24711540, 28830130, 34596156, 43245195, 57660260, 86490390, 172980780]

約数ペア:

[(1, 172980780), (2, 86490390), (3, 57660260), (4, 43245195), (5, 34596156), (6, 28830130), (7, 24711540), (10, 17298078), (12, 14415065), (14, 12355770), (15, 11532052), (17, 10175340), (20, 8649039), (21, 8237180), (28, 6177885), (30, 5766026), (34, 5087670), (35, 4942308), (42, 4118590), (49, 3530220), (51, 3391780), (60, 2883013), (68, 2543835), (70, 2471154), (84, 2059295), (85, 2035068), (98, 1765110), (102, 1695890), (105, 1647436), (119, 1453620), (140, 1235577), (147, 1176740), (170, 1017534), (196, 882555), (204, 847945), (210, 823718), (238, 726810), (245, 706044), (255, 678356), (294, 588370), (340, 508767), (357, 484540), (420, 411859), (476, 363405), (490, 353022), (510, 339178), (588, 294185), (595, 290724), (714, 242270), (735, 235348), (833, 207660), (980, 176511), (1020, 169589), (1190, 145362), (1428, 121135), (1470, 117674), (1666, 103830), (1785, 96908), (2380, 72681), (2499, 69220), (2940, 58837), (3332, 51915), (3461, 49980), (3570, 48454), (4165, 41532), (4998, 34610), (6922, 24990), (7140, 24227), (8330, 20766), (9996, 17305), (10383, 16660), (12495, 13844)]