28302780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 94993920

約数和(自身を除く): 66691140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 37, 38, 44, 55, 57, 60, 61, 66, 74, 76, 95, 110, 111, 114, 122, 132, 148, 165, 183, 185, 190, 209, 220, 222, 228, 244, 285, 305, 330, 366, 370, 380, 407, 418, 444, 555, 570, 610, 627, 660, 671, 703, 732, 740, 814, 836, 915, 1045, 1110, 1140, 1159, 1220, 1221, 1254, 1342, 1406, 1628, 1830, 2013, 2035, 2090, 2109, 2220, 2257, 2318, 2442, 2508, 2684, 2812, 3135, 3355, 3477, 3515, 3660, 4026, 4070, 4180, 4218, 4514, 4636, 4884, 5795, 6105, 6270, 6710, 6771, 6954, 7030, 7733, 8052, 8140, 8436, 9028, 10065, 10545, 11285, 11590, 12210, 12540, 12749, 13420, 13542, 13908, 14060, 15466, 17385, 20130, 21090, 22570, 23180, 23199, 24420, 24827, 25498, 27084, 30932, 33855, 34770, 38247, 38665, 40260, 42180, 42883, 45140, 46398, 49654, 50996, 63745, 67710, 69540, 74481, 76494, 77330, 85766, 92796, 99308, 115995, 124135, 127490, 128649, 135420, 148962, 152988, 154660, 171532, 191235, 214415, 231990, 248270, 254980, 257298, 297924, 372405, 382470, 428830, 463980, 471713, 496540, 514596, 643245, 744810, 764940, 857660, 943426, 1286490, 1415139, 1489620, 1886852, 2358565, 2572980, 2830278, 4717130, 5660556, 7075695, 9434260, 14151390, 28302780]

約数ペア:

[(1, 28302780), (2, 14151390), (3, 9434260), (4, 7075695), (5, 5660556), (6, 4717130), (10, 2830278), (11, 2572980), (12, 2358565), (15, 1886852), (19, 1489620), (20, 1415139), (22, 1286490), (30, 943426), (33, 857660), (37, 764940), (38, 744810), (44, 643245), (55, 514596), (57, 496540), (60, 471713), (61, 463980), (66, 428830), (74, 382470), (76, 372405), (95, 297924), (110, 257298), (111, 254980), (114, 248270), (122, 231990), (132, 214415), (148, 191235), (165, 171532), (183, 154660), (185, 152988), (190, 148962), (209, 135420), (220, 128649), (222, 127490), (228, 124135), (244, 115995), (285, 99308), (305, 92796), (330, 85766), (366, 77330), (370, 76494), (380, 74481), (407, 69540), (418, 67710), (444, 63745), (555, 50996), (570, 49654), (610, 46398), (627, 45140), (660, 42883), (671, 42180), (703, 40260), (732, 38665), (740, 38247), (814, 34770), (836, 33855), (915, 30932), (1045, 27084), (1110, 25498), (1140, 24827), (1159, 24420), (1220, 23199), (1221, 23180), (1254, 22570), (1342, 21090), (1406, 20130), (1628, 17385), (1830, 15466), (2013, 14060), (2035, 13908), (2090, 13542), (2109, 13420), (2220, 12749), (2257, 12540), (2318, 12210), (2442, 11590), (2508, 11285), (2684, 10545), (2812, 10065), (3135, 9028), (3355, 8436), (3477, 8140), (3515, 8052), (3660, 7733), (4026, 7030), (4070, 6954), (4180, 6771), (4218, 6710), (4514, 6270), (4636, 6105), (4884, 5795)]