30513420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 107784768

約数和(自身を除く): 77271348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 397, 420, 427, 549, 610, 630, 732, 794, 854, 915, 1098, 1191, 1220, 1260, 1281, 1588, 1708, 1830, 1985, 2135, 2196, 2382, 2562, 2745, 2779, 3573, 3660, 3843, 3970, 4270, 4764, 5124, 5490, 5558, 5955, 6405, 7146, 7686, 7940, 8337, 8540, 10980, 11116, 11910, 12810, 13895, 14292, 15372, 16674, 17865, 19215, 23820, 24217, 25011, 25620, 27790, 33348, 35730, 38430, 41685, 48434, 50022, 55580, 71460, 72651, 76860, 83370, 96868, 100044, 121085, 125055, 145302, 166740, 169519, 217953, 242170, 250110, 290604, 339038, 363255, 435906, 484340, 500220, 508557, 678076, 726510, 847595, 871812, 1017114, 1089765, 1453020, 1525671, 1695190, 2034228, 2179530, 2542785, 3051342, 3390380, 4359060, 5085570, 6102684, 7628355, 10171140, 15256710, 30513420]

約数ペア:

[(1, 30513420), (2, 15256710), (3, 10171140), (4, 7628355), (5, 6102684), (6, 5085570), (7, 4359060), (9, 3390380), (10, 3051342), (12, 2542785), (14, 2179530), (15, 2034228), (18, 1695190), (20, 1525671), (21, 1453020), (28, 1089765), (30, 1017114), (35, 871812), (36, 847595), (42, 726510), (45, 678076), (60, 508557), (61, 500220), (63, 484340), (70, 435906), (84, 363255), (90, 339038), (105, 290604), (122, 250110), (126, 242170), (140, 217953), (180, 169519), (183, 166740), (210, 145302), (244, 125055), (252, 121085), (305, 100044), (315, 96868), (366, 83370), (397, 76860), (420, 72651), (427, 71460), (549, 55580), (610, 50022), (630, 48434), (732, 41685), (794, 38430), (854, 35730), (915, 33348), (1098, 27790), (1191, 25620), (1220, 25011), (1260, 24217), (1281, 23820), (1588, 19215), (1708, 17865), (1830, 16674), (1985, 15372), (2135, 14292), (2196, 13895), (2382, 12810), (2562, 11910), (2745, 11116), (2779, 10980), (3573, 8540), (3660, 8337), (3843, 7940), (3970, 7686), (4270, 7146), (4764, 6405), (5124, 5955), (5490, 5558)]