181487020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 487710720

約数和(自身を除く): 306223700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 31, 44, 46, 52, 55, 62, 65, 89, 92, 110, 115, 124, 130, 143, 155, 178, 220, 230, 253, 260, 286, 299, 310, 341, 356, 403, 445, 460, 506, 572, 598, 620, 682, 713, 715, 806, 890, 979, 1012, 1157, 1196, 1265, 1364, 1426, 1430, 1495, 1612, 1705, 1780, 1958, 2015, 2047, 2314, 2530, 2759, 2852, 2860, 2990, 3289, 3410, 3565, 3916, 4030, 4094, 4433, 4628, 4895, 5060, 5518, 5785, 5980, 6578, 6820, 7130, 7843, 8060, 8188, 8866, 9269, 9790, 10235, 11036, 11570, 12727, 13156, 13795, 14260, 15686, 16445, 17732, 18538, 19580, 20470, 22165, 22517, 23140, 25454, 26611, 27590, 30349, 31372, 32890, 35867, 37076, 39215, 40940, 44330, 45034, 46345, 50908, 53222, 55180, 60698, 63457, 63635, 65780, 71734, 78430, 88660, 90068, 92690, 101959, 106444, 112585, 121396, 126914, 127270, 133055, 143468, 151745, 156860, 179335, 185380, 203918, 225170, 253828, 254540, 266110, 292721, 303490, 317285, 358670, 394537, 407836, 450340, 509795, 532220, 585442, 606980, 634570, 698027, 717340, 789074, 824941, 1019590, 1170884, 1269140, 1396054, 1463605, 1578148, 1649882, 1972685, 2039180, 2792108, 2927210, 3299764, 3490135, 3945370, 4124705, 5854420, 6980270, 7890740, 8249410, 9074351, 13960540, 16498820, 18148702, 36297404, 45371755, 90743510, 181487020]

約数ペア:

[(1, 181487020), (2, 90743510), (4, 45371755), (5, 36297404), (10, 18148702), (11, 16498820), (13, 13960540), (20, 9074351), (22, 8249410), (23, 7890740), (26, 6980270), (31, 5854420), (44, 4124705), (46, 3945370), (52, 3490135), (55, 3299764), (62, 2927210), (65, 2792108), (89, 2039180), (92, 1972685), (110, 1649882), (115, 1578148), (124, 1463605), (130, 1396054), (143, 1269140), (155, 1170884), (178, 1019590), (220, 824941), (230, 789074), (253, 717340), (260, 698027), (286, 634570), (299, 606980), (310, 585442), (341, 532220), (356, 509795), (403, 450340), (445, 407836), (460, 394537), (506, 358670), (572, 317285), (598, 303490), (620, 292721), (682, 266110), (713, 254540), (715, 253828), (806, 225170), (890, 203918), (979, 185380), (1012, 179335), (1157, 156860), (1196, 151745), (1265, 143468), (1364, 133055), (1426, 127270), (1430, 126914), (1495, 121396), (1612, 112585), (1705, 106444), (1780, 101959), (1958, 92690), (2015, 90068), (2047, 88660), (2314, 78430), (2530, 71734), (2759, 65780), (2852, 63635), (2860, 63457), (2990, 60698), (3289, 55180), (3410, 53222), (3565, 50908), (3916, 46345), (4030, 45034), (4094, 44330), (4433, 40940), (4628, 39215), (4895, 37076), (5060, 35867), (5518, 32890), (5785, 31372), (5980, 30349), (6578, 27590), (6820, 26611), (7130, 25454), (7843, 23140), (8060, 22517), (8188, 22165), (8866, 20470), (9269, 19580), (9790, 18538), (10235, 17732), (11036, 16445), (11570, 15686), (12727, 14260), (13156, 13795)]