306231640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 847284480

約数和(自身を除く): 541052840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 121, 124, 130, 143, 155, 157, 220, 242, 248, 260, 286, 310, 314, 341, 403, 440, 484, 520, 572, 605, 620, 628, 682, 715, 785, 806, 968, 1144, 1210, 1240, 1256, 1364, 1430, 1570, 1573, 1612, 1705, 1727, 2015, 2041, 2420, 2728, 2860, 3140, 3146, 3224, 3410, 3454, 3751, 4030, 4082, 4433, 4840, 4867, 5720, 6280, 6292, 6820, 6908, 7502, 7865, 8060, 8164, 8635, 8866, 9734, 10205, 12584, 13640, 13816, 15004, 15730, 16120, 16328, 17270, 17732, 18755, 18997, 19468, 20410, 22165, 22451, 24335, 30008, 31460, 34540, 35464, 37510, 37994, 38936, 40820, 44330, 44902, 48670, 48763, 53537, 62920, 63271, 69080, 75020, 75988, 81640, 88660, 89804, 94985, 97340, 97526, 107074, 112255, 126542, 150040, 151976, 177320, 179608, 189970, 194680, 195052, 214148, 224510, 243815, 246961, 253084, 267685, 316355, 379940, 390104, 428296, 449020, 487630, 493922, 506168, 535370, 588907, 632710, 695981, 759880, 898040, 975260, 987844, 1070740, 1177814, 1234805, 1265420, 1391962, 1950520, 1975688, 2141480, 2355628, 2469610, 2530840, 2783924, 2944535, 3479905, 4711256, 4939220, 5567848, 5889070, 6959810, 7655791, 9878440, 11778140, 13919620, 15311582, 23556280, 27839240, 30623164, 38278955, 61246328, 76557910, 153115820, 306231640]

約数ペア:

[(1, 306231640), (2, 153115820), (4, 76557910), (5, 61246328), (8, 38278955), (10, 30623164), (11, 27839240), (13, 23556280), (20, 15311582), (22, 13919620), (26, 11778140), (31, 9878440), (40, 7655791), (44, 6959810), (52, 5889070), (55, 5567848), (62, 4939220), (65, 4711256), (88, 3479905), (104, 2944535), (110, 2783924), (121, 2530840), (124, 2469610), (130, 2355628), (143, 2141480), (155, 1975688), (157, 1950520), (220, 1391962), (242, 1265420), (248, 1234805), (260, 1177814), (286, 1070740), (310, 987844), (314, 975260), (341, 898040), (403, 759880), (440, 695981), (484, 632710), (520, 588907), (572, 535370), (605, 506168), (620, 493922), (628, 487630), (682, 449020), (715, 428296), (785, 390104), (806, 379940), (968, 316355), (1144, 267685), (1210, 253084), (1240, 246961), (1256, 243815), (1364, 224510), (1430, 214148), (1570, 195052), (1573, 194680), (1612, 189970), (1705, 179608), (1727, 177320), (2015, 151976), (2041, 150040), (2420, 126542), (2728, 112255), (2860, 107074), (3140, 97526), (3146, 97340), (3224, 94985), (3410, 89804), (3454, 88660), (3751, 81640), (4030, 75988), (4082, 75020), (4433, 69080), (4840, 63271), (4867, 62920), (5720, 53537), (6280, 48763), (6292, 48670), (6820, 44902), (6908, 44330), (7502, 40820), (7865, 38936), (8060, 37994), (8164, 37510), (8635, 35464), (8866, 34540), (9734, 31460), (10205, 30008), (12584, 24335), (13640, 22451), (13816, 22165), (15004, 20410), (15730, 19468), (16120, 18997), (16328, 18755), (17270, 17732)]