72400860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1612

約数の個数: 144

約数和(自身を含む): 257939136

約数和(自身を除く): 185538276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1553, 1554, 1665, 2220, 2331, 2590, 3106, 3108, 3330, 3885, 4659, 4662, 5180, 6212, 6660, 7765, 7770, 9318, 9324, 10871, 11655, 13977, 15530, 15540, 18636, 21742, 23295, 23310, 27954, 31060, 32613, 43484, 46590, 46620, 54355, 55908, 57461, 65226, 69885, 93180, 97839, 108710, 114922, 130452, 139770, 163065, 172383, 195678, 217420, 229844, 279540, 287305, 326130, 344766, 391356, 402227, 489195, 517149, 574610, 652260, 689532, 804454, 861915, 978390, 1034298, 1149220, 1206681, 1608908, 1723830, 1956780, 2011135, 2068596, 2413362, 2585745, 3447660, 3620043, 4022270, 4826724, 5171490, 6033405, 7240086, 8044540, 10342980, 12066810, 14480172, 18100215, 24133620, 36200430, 72400860]

約数ペア:

[(1, 72400860), (2, 36200430), (3, 24133620), (4, 18100215), (5, 14480172), (6, 12066810), (7, 10342980), (9, 8044540), (10, 7240086), (12, 6033405), (14, 5171490), (15, 4826724), (18, 4022270), (20, 3620043), (21, 3447660), (28, 2585745), (30, 2413362), (35, 2068596), (36, 2011135), (37, 1956780), (42, 1723830), (45, 1608908), (60, 1206681), (63, 1149220), (70, 1034298), (74, 978390), (84, 861915), (90, 804454), (105, 689532), (111, 652260), (126, 574610), (140, 517149), (148, 489195), (180, 402227), (185, 391356), (210, 344766), (222, 326130), (252, 287305), (259, 279540), (315, 229844), (333, 217420), (370, 195678), (420, 172383), (444, 163065), (518, 139770), (555, 130452), (630, 114922), (666, 108710), (740, 97839), (777, 93180), (1036, 69885), (1110, 65226), (1260, 57461), (1295, 55908), (1332, 54355), (1553, 46620), (1554, 46590), (1665, 43484), (2220, 32613), (2331, 31060), (2590, 27954), (3106, 23310), (3108, 23295), (3330, 21742), (3885, 18636), (4659, 15540), (4662, 15530), (5180, 13977), (6212, 11655), (6660, 10871), (7765, 9324), (7770, 9318)]