248715180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:365

約数の個数: 216

約数和(自身を含む): 888097392

約数和(自身を除く): 639382212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 163, 173, 180, 196, 210, 245, 252, 294, 315, 326, 346, 420, 441, 489, 490, 519, 588, 630, 652, 692, 735, 815, 865, 882, 978, 980, 1038, 1141, 1211, 1260, 1467, 1470, 1557, 1630, 1730, 1764, 1956, 2076, 2205, 2282, 2422, 2445, 2595, 2934, 2940, 3114, 3260, 3423, 3460, 3633, 4410, 4564, 4844, 4890, 5190, 5705, 5868, 6055, 6228, 6846, 7266, 7335, 7785, 7987, 8477, 8820, 9780, 10269, 10380, 10899, 11410, 12110, 13692, 14532, 14670, 15570, 15974, 16954, 17115, 18165, 20538, 21798, 22820, 23961, 24220, 25431, 28199, 29340, 31140, 31948, 33908, 34230, 36330, 39935, 41076, 42385, 43596, 47922, 50862, 51345, 54495, 56398, 68460, 71883, 72660, 76293, 79870, 84597, 84770, 95844, 101724, 102690, 108990, 112796, 119805, 127155, 140995, 143766, 152586, 159740, 169194, 169540, 197393, 205380, 217980, 239610, 253791, 254310, 281990, 287532, 305172, 338388, 359415, 381465, 394786, 422985, 479220, 507582, 508620, 563980, 592179, 718830, 762930, 789572, 845970, 986965, 1015164, 1184358, 1268955, 1381751, 1437660, 1525860, 1691940, 1776537, 1973930, 2368716, 2537910, 2763502, 2960895, 3553074, 3947860, 4145253, 5075820, 5527004, 5921790, 6908755, 7106148, 8290506, 8882685, 11843580, 12435759, 13817510, 16581012, 17765370, 20726265, 24871518, 27635020, 35530740, 41452530, 49743036, 62178795, 82905060, 124357590, 248715180]

約数ペア:

[(1, 248715180), (2, 124357590), (3, 82905060), (4, 62178795), (5, 49743036), (6, 41452530), (7, 35530740), (9, 27635020), (10, 24871518), (12, 20726265), (14, 17765370), (15, 16581012), (18, 13817510), (20, 12435759), (21, 11843580), (28, 8882685), (30, 8290506), (35, 7106148), (36, 6908755), (42, 5921790), (45, 5527004), (49, 5075820), (60, 4145253), (63, 3947860), (70, 3553074), (84, 2960895), (90, 2763502), (98, 2537910), (105, 2368716), (126, 1973930), (140, 1776537), (147, 1691940), (163, 1525860), (173, 1437660), (180, 1381751), (196, 1268955), (210, 1184358), (245, 1015164), (252, 986965), (294, 845970), (315, 789572), (326, 762930), (346, 718830), (420, 592179), (441, 563980), (489, 508620), (490, 507582), (519, 479220), (588, 422985), (630, 394786), (652, 381465), (692, 359415), (735, 338388), (815, 305172), (865, 287532), (882, 281990), (978, 254310), (980, 253791), (1038, 239610), (1141, 217980), (1211, 205380), (1260, 197393), (1467, 169540), (1470, 169194), (1557, 159740), (1630, 152586), (1730, 143766), (1764, 140995), (1956, 127155), (2076, 119805), (2205, 112796), (2282, 108990), (2422, 102690), (2445, 101724), (2595, 95844), (2934, 84770), (2940, 84597), (3114, 79870), (3260, 76293), (3423, 72660), (3460, 71883), (3633, 68460), (4410, 56398), (4564, 54495), (4844, 51345), (4890, 50862), (5190, 47922), (5705, 43596), (5868, 42385), (6055, 41076), (6228, 39935), (6846, 36330), (7266, 34230), (7335, 33908), (7785, 31948), (7987, 31140), (8477, 29340), (8820, 28199), (9780, 25431), (10269, 24220), (10380, 23961), (10899, 22820), (11410, 21798), (12110, 20538), (13692, 18165), (14532, 17115), (14670, 16954), (15570, 15974)]