30389940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 106928640

約数和(自身を除く): 76538700

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, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 271, 315, 356, 420, 445, 534, 542, 623, 630, 801, 813, 890, 1068, 1084, 1246, 1260, 1335, 1355, 1602, 1626, 1780, 1869, 1897, 2439, 2492, 2670, 2710, 3115, 3204, 3252, 3738, 3794, 4005, 4065, 4878, 5340, 5420, 5607, 5691, 6230, 7476, 7588, 8010, 8130, 9345, 9485, 9756, 11214, 11382, 12195, 12460, 16020, 16260, 17073, 18690, 18970, 22428, 22764, 24119, 24390, 28035, 28455, 34146, 37380, 37940, 48238, 48780, 56070, 56910, 68292, 72357, 85365, 96476, 112140, 113820, 120595, 144714, 168833, 170730, 217071, 241190, 289428, 337666, 341460, 361785, 434142, 482380, 506499, 675332, 723570, 844165, 868284, 1012998, 1085355, 1447140, 1519497, 1688330, 2025996, 2170710, 2532495, 3038994, 3376660, 4341420, 5064990, 6077988, 7597485, 10129980, 15194970, 30389940]

約数ペア:

[(1, 30389940), (2, 15194970), (3, 10129980), (4, 7597485), (5, 6077988), (6, 5064990), (7, 4341420), (9, 3376660), (10, 3038994), (12, 2532495), (14, 2170710), (15, 2025996), (18, 1688330), (20, 1519497), (21, 1447140), (28, 1085355), (30, 1012998), (35, 868284), (36, 844165), (42, 723570), (45, 675332), (60, 506499), (63, 482380), (70, 434142), (84, 361785), (89, 341460), (90, 337666), (105, 289428), (126, 241190), (140, 217071), (178, 170730), (180, 168833), (210, 144714), (252, 120595), (267, 113820), (271, 112140), (315, 96476), (356, 85365), (420, 72357), (445, 68292), (534, 56910), (542, 56070), (623, 48780), (630, 48238), (801, 37940), (813, 37380), (890, 34146), (1068, 28455), (1084, 28035), (1246, 24390), (1260, 24119), (1335, 22764), (1355, 22428), (1602, 18970), (1626, 18690), (1780, 17073), (1869, 16260), (1897, 16020), (2439, 12460), (2492, 12195), (2670, 11382), (2710, 11214), (3115, 9756), (3204, 9485), (3252, 9345), (3738, 8130), (3794, 8010), (4005, 7588), (4065, 7476), (4878, 6230), (5340, 5691), (5420, 5607)]