253989720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 192

約数和(自身を含む): 882835200

約数和(自身を除く): 628845480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 71, 72, 76, 90, 95, 114, 120, 142, 152, 171, 180, 190, 213, 228, 284, 285, 342, 355, 360, 380, 426, 456, 523, 568, 570, 639, 684, 710, 760, 852, 855, 1046, 1065, 1140, 1278, 1349, 1368, 1420, 1569, 1704, 1710, 2092, 2130, 2280, 2556, 2615, 2698, 2840, 3138, 3195, 3420, 4047, 4184, 4260, 4707, 5112, 5230, 5396, 6276, 6390, 6745, 6840, 7845, 8094, 8520, 9414, 9937, 10460, 10792, 12141, 12552, 12780, 13490, 15690, 16188, 18828, 19874, 20235, 20920, 23535, 24282, 25560, 26980, 29811, 31380, 32376, 37133, 37656, 39748, 40470, 47070, 48564, 49685, 53960, 59622, 60705, 62760, 74266, 79496, 80940, 89433, 94140, 97128, 99370, 111399, 119244, 121410, 148532, 149055, 161880, 178866, 185665, 188280, 198740, 222798, 238488, 242820, 297064, 298110, 334197, 357732, 371330, 397480, 445596, 447165, 485640, 556995, 596220, 668394, 705527, 715464, 742660, 891192, 894330, 1113990, 1192440, 1336788, 1411054, 1485320, 1670985, 1788660, 2116581, 2227980, 2673576, 2822108, 3341970, 3527635, 3577320, 4233162, 4455960, 5644216, 6349743, 6683940, 7055270, 8466324, 10582905, 12699486, 13367880, 14110540, 16932648, 21165810, 25398972, 28221080, 31748715, 42331620, 50797944, 63497430, 84663240, 126994860, 253989720]

約数ペア:

[(1, 253989720), (2, 126994860), (3, 84663240), (4, 63497430), (5, 50797944), (6, 42331620), (8, 31748715), (9, 28221080), (10, 25398972), (12, 21165810), (15, 16932648), (18, 14110540), (19, 13367880), (20, 12699486), (24, 10582905), (30, 8466324), (36, 7055270), (38, 6683940), (40, 6349743), (45, 5644216), (57, 4455960), (60, 4233162), (71, 3577320), (72, 3527635), (76, 3341970), (90, 2822108), (95, 2673576), (114, 2227980), (120, 2116581), (142, 1788660), (152, 1670985), (171, 1485320), (180, 1411054), (190, 1336788), (213, 1192440), (228, 1113990), (284, 894330), (285, 891192), (342, 742660), (355, 715464), (360, 705527), (380, 668394), (426, 596220), (456, 556995), (523, 485640), (568, 447165), (570, 445596), (639, 397480), (684, 371330), (710, 357732), (760, 334197), (852, 298110), (855, 297064), (1046, 242820), (1065, 238488), (1140, 222798), (1278, 198740), (1349, 188280), (1368, 185665), (1420, 178866), (1569, 161880), (1704, 149055), (1710, 148532), (2092, 121410), (2130, 119244), (2280, 111399), (2556, 99370), (2615, 97128), (2698, 94140), (2840, 89433), (3138, 80940), (3195, 79496), (3420, 74266), (4047, 62760), (4184, 60705), (4260, 59622), (4707, 53960), (5112, 49685), (5230, 48564), (5396, 47070), (6276, 40470), (6390, 39748), (6745, 37656), (6840, 37133), (7845, 32376), (8094, 31380), (8520, 29811), (9414, 26980), (9937, 25560), (10460, 24282), (10792, 23535), (12141, 20920), (12552, 20235), (12780, 19874), (13490, 18828), (15690, 16188)]