161483220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 513676800

約数和(自身を除く): 352193580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 149, 162, 180, 223, 243, 270, 298, 324, 405, 446, 447, 486, 540, 596, 669, 745, 810, 892, 894, 972, 1115, 1215, 1338, 1341, 1490, 1620, 1788, 2007, 2230, 2235, 2430, 2676, 2682, 2980, 3345, 4014, 4023, 4460, 4470, 4860, 5364, 6021, 6690, 6705, 8028, 8046, 8940, 10035, 12042, 12069, 13380, 13410, 16092, 18063, 20070, 20115, 24084, 24138, 26820, 30105, 33227, 36126, 36207, 40140, 40230, 48276, 54189, 60210, 60345, 66454, 72252, 72414, 80460, 90315, 99681, 108378, 120420, 120690, 132908, 144828, 166135, 180630, 181035, 199362, 216756, 241380, 270945, 299043, 332270, 361260, 362070, 398724, 498405, 541890, 598086, 664540, 724140, 897129, 996810, 1083780, 1196172, 1495215, 1794258, 1993620, 2691387, 2990430, 3588516, 4485645, 5382774, 5980860, 8074161, 8971290, 10765548, 13456935, 16148322, 17942580, 26913870, 32296644, 40370805, 53827740, 80741610, 161483220]

約数ペア:

[(1, 161483220), (2, 80741610), (3, 53827740), (4, 40370805), (5, 32296644), (6, 26913870), (9, 17942580), (10, 16148322), (12, 13456935), (15, 10765548), (18, 8971290), (20, 8074161), (27, 5980860), (30, 5382774), (36, 4485645), (45, 3588516), (54, 2990430), (60, 2691387), (81, 1993620), (90, 1794258), (108, 1495215), (135, 1196172), (149, 1083780), (162, 996810), (180, 897129), (223, 724140), (243, 664540), (270, 598086), (298, 541890), (324, 498405), (405, 398724), (446, 362070), (447, 361260), (486, 332270), (540, 299043), (596, 270945), (669, 241380), (745, 216756), (810, 199362), (892, 181035), (894, 180630), (972, 166135), (1115, 144828), (1215, 132908), (1338, 120690), (1341, 120420), (1490, 108378), (1620, 99681), (1788, 90315), (2007, 80460), (2230, 72414), (2235, 72252), (2430, 66454), (2676, 60345), (2682, 60210), (2980, 54189), (3345, 48276), (4014, 40230), (4023, 40140), (4460, 36207), (4470, 36126), (4860, 33227), (5364, 30105), (6021, 26820), (6690, 24138), (6705, 24084), (8028, 20115), (8046, 20070), (8940, 18063), (10035, 16092), (12042, 13410), (12069, 13380)]