71380980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 247484160

約数和(自身を除く): 176103180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 61, 66, 90, 99, 108, 110, 122, 132, 135, 165, 180, 183, 197, 198, 220, 244, 270, 297, 305, 330, 366, 394, 396, 495, 540, 549, 591, 594, 610, 660, 671, 732, 788, 915, 985, 990, 1098, 1182, 1188, 1220, 1342, 1485, 1647, 1773, 1830, 1970, 1980, 2013, 2167, 2196, 2364, 2684, 2745, 2955, 2970, 3294, 3355, 3546, 3660, 3940, 4026, 4334, 5319, 5490, 5910, 5940, 6039, 6501, 6588, 6710, 7092, 8052, 8235, 8668, 8865, 10065, 10638, 10835, 10980, 11820, 12017, 12078, 13002, 13420, 16470, 17730, 18117, 19503, 20130, 21276, 21670, 24034, 24156, 26004, 26595, 30195, 32505, 32940, 35460, 36051, 36234, 39006, 40260, 43340, 48068, 53190, 58509, 60085, 60390, 65010, 72102, 72468, 78012, 90585, 97515, 106380, 108153, 117018, 120170, 120780, 130020, 132187, 144204, 180255, 181170, 195030, 216306, 234036, 240340, 264374, 292545, 324459, 360510, 362340, 390060, 396561, 432612, 528748, 540765, 585090, 648918, 660935, 721020, 793122, 1081530, 1170180, 1189683, 1297836, 1321870, 1586244, 1622295, 1982805, 2163060, 2379366, 2643740, 3244590, 3569049, 3965610, 4758732, 5948415, 6489180, 7138098, 7931220, 11896830, 14276196, 17845245, 23793660, 35690490, 71380980]

約数ペア:

[(1, 71380980), (2, 35690490), (3, 23793660), (4, 17845245), (5, 14276196), (6, 11896830), (9, 7931220), (10, 7138098), (11, 6489180), (12, 5948415), (15, 4758732), (18, 3965610), (20, 3569049), (22, 3244590), (27, 2643740), (30, 2379366), (33, 2163060), (36, 1982805), (44, 1622295), (45, 1586244), (54, 1321870), (55, 1297836), (60, 1189683), (61, 1170180), (66, 1081530), (90, 793122), (99, 721020), (108, 660935), (110, 648918), (122, 585090), (132, 540765), (135, 528748), (165, 432612), (180, 396561), (183, 390060), (197, 362340), (198, 360510), (220, 324459), (244, 292545), (270, 264374), (297, 240340), (305, 234036), (330, 216306), (366, 195030), (394, 181170), (396, 180255), (495, 144204), (540, 132187), (549, 130020), (591, 120780), (594, 120170), (610, 117018), (660, 108153), (671, 106380), (732, 97515), (788, 90585), (915, 78012), (985, 72468), (990, 72102), (1098, 65010), (1182, 60390), (1188, 60085), (1220, 58509), (1342, 53190), (1485, 48068), (1647, 43340), (1773, 40260), (1830, 39006), (1970, 36234), (1980, 36051), (2013, 35460), (2167, 32940), (2196, 32505), (2364, 30195), (2684, 26595), (2745, 26004), (2955, 24156), (2970, 24034), (3294, 21670), (3355, 21276), (3546, 20130), (3660, 19503), (3940, 18117), (4026, 17730), (4334, 16470), (5319, 13420), (5490, 13002), (5910, 12078), (5940, 12017), (6039, 11820), (6501, 10980), (6588, 10835), (6710, 10638), (7092, 10065), (8052, 8865), (8235, 8668)]