71421840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 240

約数和(自身を含む): 282267648

約数和(自身を除く): 210845808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 383, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 766, 777, 840, 888, 1008, 1036, 1110, 1149, 1260, 1295, 1332, 1480, 1532, 1554, 1665, 1680, 1776, 1915, 2072, 2220, 2298, 2331, 2520, 2590, 2664, 2681, 2960, 3064, 3108, 3330, 3447, 3830, 3885, 4144, 4440, 4596, 4662, 5040, 5180, 5328, 5362, 5745, 6128, 6216, 6660, 6894, 7660, 7770, 8043, 8880, 9192, 9324, 10360, 10724, 11490, 11655, 12432, 13320, 13405, 13788, 14171, 15320, 15540, 16086, 17235, 18384, 18648, 20720, 21448, 22980, 23310, 24129, 26640, 26810, 27576, 28342, 30640, 31080, 32172, 34470, 37296, 40215, 42513, 42896, 45960, 46620, 48258, 53620, 55152, 56684, 62160, 64344, 68940, 70855, 80430, 85026, 91920, 93240, 96516, 99197, 107240, 113368, 120645, 127539, 128688, 137880, 141710, 160860, 170052, 186480, 193032, 198394, 212565, 214480, 226736, 241290, 255078, 275760, 283420, 297591, 321720, 340104, 386064, 396788, 425130, 482580, 495985, 510156, 566840, 595182, 637695, 643440, 680208, 793576, 850260, 892773, 965160, 991970, 1020312, 1133680, 1190364, 1275390, 1487955, 1587152, 1700520, 1785546, 1930320, 1983940, 2040624, 2380728, 2550780, 2975910, 3401040, 3571092, 3967880, 4463865, 4761456, 5101560, 5951820, 7142184, 7935760, 8927730, 10203120, 11903640, 14284368, 17855460, 23807280, 35710920, 71421840]

約数ペア:

[(1, 71421840), (2, 35710920), (3, 23807280), (4, 17855460), (5, 14284368), (6, 11903640), (7, 10203120), (8, 8927730), (9, 7935760), (10, 7142184), (12, 5951820), (14, 5101560), (15, 4761456), (16, 4463865), (18, 3967880), (20, 3571092), (21, 3401040), (24, 2975910), (28, 2550780), (30, 2380728), (35, 2040624), (36, 1983940), (37, 1930320), (40, 1785546), (42, 1700520), (45, 1587152), (48, 1487955), (56, 1275390), (60, 1190364), (63, 1133680), (70, 1020312), (72, 991970), (74, 965160), (80, 892773), (84, 850260), (90, 793576), (105, 680208), (111, 643440), (112, 637695), (120, 595182), (126, 566840), (140, 510156), (144, 495985), (148, 482580), (168, 425130), (180, 396788), (185, 386064), (210, 340104), (222, 321720), (240, 297591), (252, 283420), (259, 275760), (280, 255078), (296, 241290), (315, 226736), (333, 214480), (336, 212565), (360, 198394), (370, 193032), (383, 186480), (420, 170052), (444, 160860), (504, 141710), (518, 137880), (555, 128688), (560, 127539), (592, 120645), (630, 113368), (666, 107240), (720, 99197), (740, 96516), (766, 93240), (777, 91920), (840, 85026), (888, 80430), (1008, 70855), (1036, 68940), (1110, 64344), (1149, 62160), (1260, 56684), (1295, 55152), (1332, 53620), (1480, 48258), (1532, 46620), (1554, 45960), (1665, 42896), (1680, 42513), (1776, 40215), (1915, 37296), (2072, 34470), (2220, 32172), (2298, 31080), (2331, 30640), (2520, 28342), (2590, 27576), (2664, 26810), (2681, 26640), (2960, 24129), (3064, 23310), (3108, 22980), (3330, 21448), (3447, 20720), (3830, 18648), (3885, 18384), (4144, 17235), (4440, 16086), (4596, 15540), (4662, 15320), (5040, 14171), (5180, 13788), (5328, 13405), (5362, 13320), (5745, 12432), (6128, 11655), (6216, 11490), (6660, 10724), (6894, 10360), (7660, 9324), (7770, 9192), (8043, 8880)]